#3349BD

Closest named color: Blue Blue (#2242C7). oklch(46.3% 0.183 269.5), rgb(51, 73, 189).

Aa

White text reads best on this color (7.42:1).

About this color

#3349BD is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.183 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.029 away. White text reads best on it, at 7.42:1.

Hue familyBlues
Lightnessmedium-dark (46%)
Chromavivid (0.183)
Temperaturecool
Nearest nameBlue Blue (#2242C7)
Black text2.82:1
White text7.42:1

Values

HEX#3349BD
RGBrgb(51, 73, 189)
HSLhsl(230, 58%, 47%)
OKLCHoklch(46.3% 0.183 269.5)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #3349BD 7.42:1 AAA Lc -90.1 Preferred for body text
Black text on #3349BD 2.82:1 Fails Lc 18.8 Dividers and decoration only
#3349BD text on white 7.42:1 AAA Lc 85.2 Fine for body text
#3349BD text on black 2.82:1 Fails Lc -16.8 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.

  1. Step 50

    50

    #F2F5FE

    oklch(97% 0.012 271.3)

  2. Step 100

    100

    #E3EAFC

    oklch(93.7% 0.025 268.8)

  3. Step 200

    200

    #CCD8FB

    oklch(88.4% 0.05 270.4)

  4. Step 300

    300

    #AABFFB

    oklch(81% 0.088 269.4)

  5. Step 400

    400

    #7D9BF9

    oklch(70.8% 0.142 269.2)

  6. Step 500

    500

    #5F7EF6

    oklch(63.1% 0.182 269.7)

  7. Step 600

    600

    #4864E4

    oklch(55.6% 0.196 269.6)

  8. Step 700

    700 (this color)

    #3349BD

    oklch(46.3% 0.183 269.5)

  9. Step 800

    800

    #3044A0

    oklch(42.7% 0.151 269.6)

  10. Step 900

    900

    #293A7F

    oklch(37.6% 0.118 269.5)

  11. Step 950

    950

    #18234B

    oklch(27.1% 0.075 269.3)

Export this scale for Tailwind in the Tailwind colors tool

#3349BD with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#005CC10.049
Deuteranopia (no green cones)#004FBB0.032
Tritanopia (no blue cones)#00677C0.146
Achromatopsia (no color)#5555550.184

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #3349BD

    #3349BD

    oklch(46.3% 0.183 269.5)

  • #6E5500

    #6E5500

    oklch(46.2% 0.094 88.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3349BD

    #3349BD

    oklch(46.3% 0.183 269.5)

  • #005F8D

    #005F8D

    oklch(46.3% 0.105 239.7)

  • #6A34AE

    #6A34AE

    oklch(46.2% 0.184 299.3)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #3349BD

    #3349BD

    oklch(46.3% 0.183 269.5)

  • #844700

    #844700

    oklch(46.3% 0.109 59.5)

  • #526100

    #526100

    oklch(46.3% 0.11 119.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3349BD

    #3349BD

    oklch(46.3% 0.183 269.5)

  • #A70E06

    #A70E06

    oklch(46.2% 0.183 29.5)

  • #006C2D

    #006C2D

    oklch(46.4% 0.13 149.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3349BD

    #3349BD

    oklch(46.3% 0.183 269.5)

  • #A10956

    #A10956

    oklch(46.3% 0.183 359.3)

  • #6E5500

    #6E5500

    oklch(46.2% 0.094 88.9)

  • #00685A

    #00685A

    oklch(46.3% 0.084 179.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3349BD, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #3349BD in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.