#291F33
Closest named color: Dark (#1B2431). oklch(26% 0.039 306.8), rgb(41, 31, 51).
Aa
White text reads best on this color (15.69:1).
About this color
#291F33 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.039 and its hue 307°. 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 15.69:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.33:1 |
| White text | 15.69:1 |
Values
| HEX | #291F33 |
| RGB | rgb(41, 31, 51) |
| HSL | hsl(270, 24%, 16%) |
| OKLCH | oklch(26% 0.039 306.8) |
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 #291F33 | 15.69:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #291F33 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #291F33 text on white | 15.69:1 | AAA | Lc 102.6 | Preferred for body text |
| #291F33 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
#DDD5E7
oklch(88.5% 0.026 305.8)
-
Step 300
300
#C8B9D9
oklch(80.8% 0.047 306.5)
-
Step 400
400
#AC95C5
oklch(70.7% 0.073 306.4)
-
Step 500
500
#987AB6
oklch(63% 0.094 306.8)
-
Step 600
600
#8362A2
oklch(55.5% 0.103 307.1)
-
Step 700
700
#6F518B
oklch(49.1% 0.096 307)
-
Step 800
800
#5A4371
oklch(42.7% 0.079 306.3)
-
Step 900
900
#4A395B
oklch(37.8% 0.06 306.6)
-
Step 950
950 (this color)
#291F33
oklch(26% 0.039 306.8)
#291F33 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) | #1B2334 | 0.027 |
| Deuteranopia (no green cones) | #1D2332 | 0.025 |
| Tritanopia (no blue cones) | #282226 | 0.030 |
| Achromatopsia (no color) | #232323 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #291F33
#291F33
oklch(26% 0.039 306.8)
- #1F2812
#1F2812
oklch(26.2% 0.04 127.2)
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 #291F33, 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 0.032
- Jet #212529 ΔE 0.035
- Space Cadet #2B2D42 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.055
- Gunmetal #293241 ΔE 0.062
- Eggplant #380835 ΔE 0.063
- Aubergine #3D0734 ΔE 0.068
Use #291F33 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.