#281F34
Closest named color: Dark (#1B2431). oklch(26% 0.04 303.4), rgb(40, 31, 52).
Aa
White text reads best on this color (15.72:1).
About this color
#281F34 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.040 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.029 away. White text reads best on it, at 15.72:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.33:1 |
| White text | 15.72:1 |
Values
| HEX | #281F34 |
| RGB | rgb(40, 31, 52) |
| HSL | hsl(266, 25%, 16%) |
| OKLCH | oklch(26% 0.04 303.4) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #281F34 | 15.72:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #281F34 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #281F34 text on white | 15.72:1 | AAA | Lc 102.6 | Preferred for body text |
| #281F34 text on black | 1.33:1 | 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.
-
Step 50
50
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F2
oklch(93.7% 0.014 304.1)
-
Step 200
200
#DCD5E8
oklch(88.4% 0.027 302.5)
-
Step 300
300
#C7BADA
oklch(81% 0.047 303.8)
-
Step 400
400
#AA95C8
oklch(70.6% 0.077 303.3)
-
Step 500
500
#967ABA
oklch(63% 0.099 303.8)
-
Step 600
600
#8063A6
oklch(55.6% 0.106 303.1)
-
Step 700
700
#6C528E
oklch(49.1% 0.097 303)
-
Step 800
800
#584373
oklch(42.6% 0.081 303.3)
-
Step 900
900
#49395D
oklch(37.8% 0.063 304)
-
Step 950
950 (this color)
#281F34
oklch(26% 0.04 303.4)
#281F34 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #1A2335 | 0.027 |
| Deuteranopia (no green cones) | #1C2333 | 0.025 |
| Tritanopia (no blue cones) | #262227 | 0.030 |
| Achromatopsia (no color) | #232323 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281F34
#281F34
oklch(26% 0.04 303.4)
- #202710
#202710
oklch(25.9% 0.041 123.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #281F34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.029
- Oxford Blue #1B263B ΔE 0.030
- Jet #212529 ΔE 0.036
- Space Cadet #2B2D42 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.054
- Gunmetal #293241 ΔE 0.062
- Eggplant #380835 ΔE 0.064
- Aubergine #3D0734 ΔE 0.069
Use #281F34 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.