#281E33
Closest named color: Dark (#1B2431). oklch(25.7% 0.041 305.6), rgb(40, 30, 51).
Aa
White text reads best on this color (15.86:1).
About this color
#281E33 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.041 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.030 away. White text reads best on it, at 15.86:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.32:1 |
| White text | 15.86:1 |
Values
| HEX | #281E33 |
| RGB | rgb(40, 30, 51) |
| HSL | hsl(269, 26%, 16%) |
| OKLCH | oklch(25.7% 0.041 305.6) |
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 #281E33 | 15.86:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #281E33 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #281E33 text on white | 15.86:1 | AAA | Lc 102.8 | Preferred for body text |
| #281E33 text on black | 1.32:1 | 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
#DDD5E8
oklch(88.5% 0.027 304.8)
-
Step 300
300
#C8B9DA
oklch(80.9% 0.049 305.9)
-
Step 400
400
#AC95C7
oklch(70.8% 0.076 305.5)
-
Step 500
500
#987AB9
oklch(63.2% 0.098 305.6)
-
Step 600
600
#8362A5
oklch(55.7% 0.107 305.9)
-
Step 700
700
#6E518E
oklch(49.1% 0.1 304.9)
-
Step 800
800
#5A4273
oklch(42.7% 0.083 305.7)
-
Step 900
900
#4A385D
oklch(37.7% 0.065 305.8)
-
Step 950
950 (this color)
#281E33
oklch(25.7% 0.041 305.6)
#281E33 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) | #1A2234 | 0.027 |
| Deuteranopia (no green cones) | #1C2232 | 0.025 |
| Tritanopia (no blue cones) | #262126 | 0.030 |
| Achromatopsia (no color) | #222222 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #281E33
#281E33
oklch(25.7% 0.041 305.6)
- #1E2710
#1E2710
oklch(25.7% 0.042 126.7)
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 #281E33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.030
- Oxford Blue #1B263B ΔE 0.033
- Jet #212529 ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.053
- Eggplant #380835 ΔE 0.062
- Gunmetal #293241 ΔE 0.065
- Aubergine #3D0734 ΔE 0.067
Use #281E33 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.