#2B344A

Closest named color: Gunmetal (#293241). oklch(32.7% 0.041 267), rgb(43, 52, 74).

Aa

White text reads best on this color (12.40:1).

About this color

#2B344A is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.041 and its hue 267°. 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 12.40:1.

Hue familyBlues
Lightnessdark (33%)
Chromamuted (0.041)
Temperaturecool
Nearest nameGunmetal (#293241)
Black text1.69:1
White text12.40:1

Values

HEX#2B344A
RGBrgb(43, 52, 74)
HSLhsl(223, 26%, 23%)
OKLCHoklch(32.7% 0.041 267)

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 #2B344A 12.40:1 AAA Lc -101.6 Preferred for body text
Black text on #2B344A 1.69:1 Fails Lc 0.0 Not readable
#2B344A text on white 12.40:1 AAA Lc 98.2 Preferred for body text
#2B344A text on black 1.69:1 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 900.

  1. Step 50

    50

    #F4F5F8

    oklch(97% 0.004 271.4)

  2. Step 100

    100

    #E7EAF0

    oklch(93.6% 0.009 264.5)

  3. Step 200

    200

    #D4D9E5

    oklch(88.5% 0.017 267.8)

  4. Step 300

    300

    #B8C1D5

    oklch(81% 0.03 266.3)

  5. Step 400

    400

    #93A0C0

    oklch(70.7% 0.049 267.7)

  6. Step 500

    500

    #7889B0

    oklch(63.1% 0.062 266.3)

  7. Step 600

    600

    #61729C

    oklch(55.5% 0.069 267.2)

  8. Step 700

    700

    #506085

    oklch(49.1% 0.063 266.1)

  9. Step 800

    800

    #424E6C

    oklch(42.6% 0.052 267.4)

  10. Step 900

    900 (this color)

    #2B344A

    oklch(32.7% 0.041 267)

  11. Step 950

    950

    #212633

    oklch(27% 0.025 268.3)

Export this scale for Tailwind in the Tailwind colors tool

#2B344A 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)#2D364B0.007
Deuteranopia (no green cones)#2A33490.004
Tritanopia (no blue cones)#21383C0.036
Achromatopsia (no color)#3434340.041

Harmonies

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

Complementary

The opposite hue (180°).

  • #2B344A

    #2B344A

    oklch(32.7% 0.041 267)

  • #3E331B

    #3E331B

    oklch(32.7% 0.041 85.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2B344A

    #2B344A

    oklch(32.7% 0.041 267)

  • #1F3847

    #1F3847

    oklch(32.7% 0.041 236.2)

  • #373047

    #373047

    oklch(32.7% 0.041 298.1)

Open the analogous palette in the generator

Split complementary

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

  • #2B344A

    #2B344A

    oklch(32.7% 0.041 267)

  • #452F1F

    #452F1F

    oklch(32.7% 0.042 56.7)

  • #33371E

    #33371E

    oklch(32.6% 0.041 116.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2B344A

    #2B344A

    oklch(32.7% 0.041 267)

  • #482C29

    #482C29

    oklch(32.7% 0.042 26.3)

  • #263A28

    #263A28

    oklch(32.5% 0.041 147.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2B344A

    #2B344A

    oklch(32.7% 0.041 267)

  • #462C35

    #462C35

    oklch(32.8% 0.041 357.2)

  • #3E331B

    #3E331B

    oklch(32.7% 0.041 85.6)

  • #1B3C34

    #1B3C34

    oklch(32.8% 0.042 175.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2B344A, closest first.

Similar named colors

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

Use #2B344A 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.