#213342

Closest named color: Gunmetal (#293241). oklch(31.2% 0.036 244.4), rgb(33, 51, 66).

Aa

White text reads best on this color (12.98:1).

About this color

#213342 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.036 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.011 away. White text reads best on it, at 12.98:1.

Hue familyBlues
Lightnessdark (31%)
Chromamuted (0.036)
Temperaturecool
Nearest nameGunmetal (#293241)
Black text1.61:1
White text12.98:1

Values

HEX#213342
RGBrgb(33, 51, 66)
HSLhsl(207, 33%, 19%)
OKLCHoklch(31.2% 0.036 244.4)

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 #213342 12.98:1 AAA Lc -102.4 Preferred for body text
Black text on #213342 1.61:1 Fails Lc 0.0 Not readable
#213342 text on white 12.98:1 AAA Lc 99.2 Preferred for body text
#213342 text on black 1.61:1 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

    #F2F6F9

    oklch(97.1% 0.006 239.8)

  2. Step 100

    100

    #E3EBF2

    oklch(93.6% 0.013 244.3)

  3. Step 200

    200

    #CDDBE8

    oklch(88.5% 0.023 246.1)

  4. Step 300

    300

    #AAC4DB

    oklch(80.8% 0.043 245.1)

  5. Step 400

    400

    #7DA6C8

    oklch(70.8% 0.067 243.9)

  6. Step 500

    500

    #5A8FBB

    oklch(63.1% 0.087 244.9)

  7. Step 600

    600

    #3E79A7

    oklch(55.7% 0.095 244.2)

  8. Step 700

    700

    #30658F

    oklch(49% 0.088 245)

  9. Step 800

    800

    #295374

    oklch(42.8% 0.072 244.4)

  10. Step 900

    900

    #26455E

    oklch(37.8% 0.057 244.4)

  11. Step 950

    950 (this color)

    #213342

    oklch(31.2% 0.036 244.4)

Export this scale for Tailwind in the Tailwind colors tool

#213342 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)#2D33430.018
Deuteranopia (no green cones)#2830420.013
Tritanopia (no blue cones)#1437380.030
Achromatopsia (no color)#3131310.036

Harmonies

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

Complementary

The opposite hue (180°).

  • #213342

    #213342

    oklch(31.2% 0.036 244.4)

  • #3E2D1D

    #3E2D1D

    oklch(31.2% 0.036 64.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #213342

    #213342

    oklch(31.2% 0.036 244.4)

  • #1A363C

    #1A363C

    oklch(31.4% 0.035 213.2)

  • #2B3043

    #2B3043

    oklch(31.3% 0.035 272.8)

Open the analogous palette in the generator

Split complementary

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

  • #213342

    #213342

    oklch(31.2% 0.036 244.4)

  • #412A25

    #412A25

    oklch(31.1% 0.036 32.7)

  • #37311B

    #37311B

    oklch(31.3% 0.037 94.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #213342

    #213342

    oklch(31.2% 0.036 244.4)

  • #41292F

    #41292F

    oklch(31.2% 0.037 3.1)

  • #2D3420

    #2D3420

    oklch(31.2% 0.035 124.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #213342

    #213342

    oklch(31.2% 0.036 244.4)

  • #3C2A38

    #3C2A38

    oklch(31.2% 0.035 334.5)

  • #3E2D1D

    #3E2D1D

    oklch(31.2% 0.036 64.1)

  • #223629

    #223629

    oklch(31.1% 0.035 155.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #213342, closest first.

Similar named colors

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

Use #213342 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.