#2A1A3D

Closest named color: Oxford Blue (#1B263B). oklch(25.7% 0.066 303.2), rgb(42, 26, 61).

Aa

White text reads best on this color (15.98:1).

About this color

#2A1A3D is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.066 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.045 away. White text reads best on it, at 15.98:1.

Hue familyPurples
Lightnessdark (26%)
Chromamuted (0.066)
Temperaturein between
Nearest nameOxford Blue (#1B263B)
Black text1.31:1
White text15.98:1

Values

HEX#2A1A3D
RGBrgb(42, 26, 61)
HSLhsl(267, 40%, 17%)
OKLCHoklch(25.7% 0.066 303.2)

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 #2A1A3D 15.98:1 AAA Lc -105.4 Preferred for body text
Black text on #2A1A3D 1.31:1 Fails Lc 0.0 Not readable
#2A1A3D text on white 15.98:1 AAA Lc 102.8 Preferred for body text
#2A1A3D text on black 1.31:1 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

    #F7F4FB

    oklch(97.1% 0.01 305.4)

  2. Step 100

    100

    #EDE7F7

    oklch(93.7% 0.022 302.9)

  3. Step 200

    200

    #DFD3F1

    oklch(88.6% 0.043 303.7)

  4. Step 300

    300

    #CBB5EB

    oklch(81% 0.078 303.3)

  5. Step 400

    400

    #B18CE0

    oklch(70.7% 0.125 303.6)

  6. Step 500

    500

    #9E6DD7

    oklch(63% 0.16 303.5)

  7. Step 600

    600

    #8953C5

    oklch(55.7% 0.173 303)

  8. Step 700

    700

    #7442AA

    oklch(49% 0.162 303)

  9. Step 800

    800

    #5F378A

    oklch(42.7% 0.135 303.4)

  10. Step 900

    900

    #4D316E

    oklch(37.7% 0.104 303)

  11. Step 950

    950 (this color)

    #2A1A3D

    oklch(25.7% 0.066 303.2)

Export this scale for Tailwind in the Tailwind colors tool

#2A1A3D 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)#0F213E0.048
Deuteranopia (no green cones)#14223C0.044
Tritanopia (no blue cones)#2720280.049
Achromatopsia (no color)#2222220.066

Harmonies

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

Complementary

The opposite hue (180°).

  • #2A1A3D

    #2A1A3D

    oklch(25.7% 0.066 303.2)

  • #1E2800

    #1E2800

    oklch(25.8% 0.063 122.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2A1A3D

    #2A1A3D

    oklch(25.7% 0.066 303.2)

  • #192043

    #192043

    oklch(25.8% 0.066 272.5)

  • #351531

    #351531

    oklch(25.6% 0.067 332.3)

Open the analogous palette in the generator

Split complementary

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

  • #2A1A3D

    #2A1A3D

    oklch(25.7% 0.066 303.2)

  • #2C2200

    #2C2200

    oklch(25.6% 0.052 92.5)

  • #002C13

    #002C13

    oklch(25.7% 0.066 153.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2A1A3D

    #2A1A3D

    oklch(25.7% 0.066 303.2)

  • #371C00

    #371C00

    oklch(25.8% 0.059 63)

  • #002A25

    #002A25

    oklch(25.6% 0.046 182.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2A1A3D

    #2A1A3D

    oklch(25.7% 0.066 303.2)

  • #3D150D

    #3D150D

    oklch(25.7% 0.065 33)

  • #1E2800

    #1E2800

    oklch(25.8% 0.063 122.8)

  • #002930

    #002930

    oklch(25.8% 0.045 211.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2A1A3D, closest first.

Similar named colors

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

Use #2A1A3D 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.