#213149

Closest named color: Gunmetal (#293241). oklch(31.1% 0.048 258.3), rgb(33, 49, 73).

Aa

White text reads best on this color (13.12:1).

About this color

#213149 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.048 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.019 away. White text reads best on it, at 13.12:1.

Hue familyBlues
Lightnessdark (31%)
Chromamuted (0.048)
Temperaturecool
Nearest nameGunmetal (#293241)
Black text1.60:1
White text13.12:1

Values

HEX#213149
RGBrgb(33, 49, 73)
HSLhsl(216, 38%, 21%)
OKLCHoklch(31.1% 0.048 258.3)

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 #213149 13.12:1 AAA Lc -102.6 Preferred for body text
Black text on #213149 1.60:1 Fails Lc 0.0 Not readable
#213149 text on white 13.12:1 AAA Lc 99.4 Preferred for body text
#213149 text on black 1.60:1 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

    #F2F6FB

    oklch(97.2% 0.008 253.9)

  2. Step 100

    100

    #E3EAF5

    oklch(93.5% 0.017 259.4)

  3. Step 200

    200

    #CDDAEF

    oklch(88.5% 0.032 260)

  4. Step 300

    300

    #AAC2E6

    oklch(80.8% 0.057 258.4)

  5. Step 400

    400

    #7DA2DA

    oklch(70.7% 0.092 258.5)

  6. Step 500

    500

    #5C8AD0

    oklch(63.1% 0.118 258.5)

  7. Step 600

    600

    #4173BD

    oklch(55.7% 0.128 258.1)

  8. Step 700

    700

    #3360A3

    oklch(49.1% 0.119 258.3)

  9. Step 800

    800

    #2B4F84

    oklch(42.8% 0.098 258)

  10. Step 900

    900

    #27426A

    oklch(37.8% 0.076 258.1)

  11. Step 950

    950 (this color)

    #213149

    oklch(31.1% 0.048 258.3)

Export this scale for Tailwind in the Tailwind colors tool

#213149 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)#28334A0.013
Deuteranopia (no green cones)#232F480.007
Tritanopia (no blue cones)#0F36390.043
Achromatopsia (no color)#3030300.048

Harmonies

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

Complementary

The opposite hue (180°).

  • #213149

    #213149

    oklch(31.1% 0.048 258.3)

  • #3E2D12

    #3E2D12

    oklch(31% 0.048 76.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #213149

    #213149

    oklch(31.1% 0.048 258.3)

  • #113544

    #113544

    oklch(31.1% 0.049 228.9)

  • #2F2C48

    #2F2C48

    oklch(31% 0.05 288)

Open the analogous palette in the generator

Split complementary

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

  • #213149

    #213149

    oklch(31.1% 0.048 258.3)

  • #44291A

    #44291A

    oklch(31.1% 0.048 49.4)

  • #333213

    #333213

    oklch(31% 0.048 107.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #213149

    #213149

    oklch(31.1% 0.048 258.3)

  • #462627

    #462627

    oklch(31.1% 0.048 18.2)

  • #24361E

    #24361E

    oklch(31% 0.048 138.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #213149

    #213149

    oklch(31.1% 0.048 258.3)

  • #432635

    #432635

    oklch(31.1% 0.049 348)

  • #3E2D12

    #3E2D12

    oklch(31% 0.048 76.9)

  • #13382C

    #13382C

    oklch(31% 0.048 169)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #213149, closest first.

Similar named colors

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

Use #213149 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.