#213349

Closest named color: Gunmetal (#293241). oklch(31.6% 0.046 254), rgb(33, 51, 73).

Aa

White text reads best on this color (12.84:1).

About this color

#213349 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.046 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.017 away. White text reads best on it, at 12.84:1.

Hue familyBlues
Lightnessdark (32%)
Chromamuted (0.046)
Temperaturecool
Nearest nameGunmetal (#293241)
Black text1.63:1
White text12.84:1

Values

HEX#213349
RGBrgb(33, 51, 73)
HSLhsl(213, 38%, 21%)
OKLCHoklch(31.6% 0.046 254)

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 #213349 12.84:1 AAA Lc -102.2 Preferred for body text
Black text on #213349 1.63:1 Fails Lc 0.0 Not readable
#213349 text on white 12.84:1 AAA Lc 98.9 Preferred for body text
#213349 text on black 1.63:1 Fails Lc 0.0 Not readable

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 950.

  1. Step 50

    50

    #F2F6FA

    oklch(97.1% 0.007 247.9)

  2. Step 100

    100

    #E3EBF5

    oklch(93.7% 0.016 253.9)

  3. Step 200

    200

    #CCDBED

    oklch(88.6% 0.03 253)

  4. Step 300

    300

    #A9C3E4

    oklch(80.9% 0.055 254.5)

  5. Step 400

    400

    #7AA4D6

    oklch(70.7% 0.087 253.3)

  6. Step 500

    500

    #578CCC

    oklch(63.1% 0.113 254)

  7. Step 600

    600

    #3C75B8

    oklch(55.6% 0.121 253.9)

  8. Step 700

    700

    #2E629F

    oklch(49.1% 0.113 254.1)

  9. Step 800

    800

    #275081

    oklch(42.7% 0.094 254.3)

  10. Step 900

    900

    #244367

    oklch(37.7% 0.072 253.4)

  11. Step 950

    950 (this color)

    #213349

    oklch(31.6% 0.046 254)

Export this scale for Tailwind in the Tailwind colors tool

#213349 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)#2A344A0.014
Deuteranopia (no green cones)#2530490.011
Tritanopia (no blue cones)#0F383B0.040
Achromatopsia (no color)#3232320.046

Harmonies

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

Complementary

The opposite hue (180°).

  • #213349

    #213349

    oklch(31.6% 0.046 254)

  • #402E15

    #402E15

    oklch(31.6% 0.047 73.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #213349

    #213349

    oklch(31.6% 0.046 254)

  • #133743

    #133743

    oklch(31.7% 0.046 223.1)

  • #2F2F49

    #2F2F49

    oklch(31.7% 0.046 283.5)

Open the analogous palette in the generator

Split complementary

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

  • #213349

    #213349

    oklch(31.6% 0.046 254)

  • #462A1E

    #462A1E

    oklch(31.7% 0.047 43.9)

  • #363316

    #363316

    oklch(31.7% 0.046 103.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #213349

    #213349

    oklch(31.6% 0.046 254)

  • #46282B

    #46282B

    oklch(31.6% 0.045 13.5)

  • #28371F

    #28371F

    oklch(31.6% 0.045 134.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #213349

    #213349

    oklch(31.6% 0.046 254)

  • #432838

    #432838

    oklch(31.7% 0.047 343.8)

  • #402E15

    #402E15

    oklch(31.6% 0.047 73.7)

  • #19392C

    #19392C

    oklch(31.6% 0.045 165.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #213349, closest first.

Similar named colors

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

Use #213349 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.