#281F32
Closest named color: Dark (#1B2431). oklch(25.9% 0.037 305.7), rgb(40, 31, 50).
Aa
White text reads best on this color (15.76:1).
About this color
#281F32 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.037 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.028 away. White text reads best on it, at 15.76:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.33:1 |
| White text | 15.76:1 |
Values
| HEX | #281F32 |
| RGB | rgb(40, 31, 50) |
| HSL | hsl(268, 23%, 16%) |
| OKLCH | oklch(25.9% 0.037 305.7) |
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 #281F32 | 15.76:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #281F32 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #281F32 text on white | 15.76:1 | AAA | Lc 102.7 | Preferred for body text |
| #281F32 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
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E6
oklch(88.4% 0.025 306.9)
-
Step 300
300
#C7BAD8
oklch(80.9% 0.044 305)
-
Step 400
400
#AB96C4
oklch(70.8% 0.07 305.5)
-
Step 500
500
#977BB5
oklch(63.1% 0.09 306.1)
-
Step 600
600
#8164A1
oklch(55.7% 0.097 305.3)
-
Step 700
700
#6D5389
oklch(49.2% 0.089 305.5)
-
Step 800
800
#594470
oklch(42.8% 0.075 305.4)
-
Step 900
900
#49395A
oklch(37.6% 0.058 306)
-
Step 950
950 (this color)
#281F32
oklch(25.9% 0.037 305.7)
#281F32 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) | #1B2233 | 0.024 |
| Deuteranopia (no green cones) | #1D2331 | 0.023 |
| Tritanopia (no blue cones) | #272226 | 0.028 |
| Achromatopsia (no color) | #232323 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281F32
#281F32
oklch(25.9% 0.037 305.7)
- #1F2713
#1F2713
oklch(25.9% 0.037 126.6)
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 #281F32, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.028
- Oxford Blue #1B263B ΔE 0.031
- Jet #212529 ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.053
- Gunmetal #293241 ΔE 0.063
- Eggplant #380835 ΔE 0.065
- Aubergine #3D0734 ΔE 0.070
Use #281F32 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.