#230B21
Closest named color: Very Dark Purple (#2A0134). oklch(19.9% 0.054 330.6), rgb(35, 11, 33).
Aa
White text reads best on this color (18.40:1).
About this color
#230B21 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.054 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.048 away. White text reads best on it, at 18.40:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.14:1 |
| White text | 18.40:1 |
Values
| HEX | #230B21 |
| RGB | rgb(35, 11, 33) |
| HSL | hsl(305, 52%, 9%) |
| OKLCH | oklch(19.9% 0.054 330.6) |
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 #230B21 | 18.40:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #230B21 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #230B21 text on white | 18.40:1 | AAA | Lc 104.9 | Preferred for body text |
| #230B21 text on black | 1.14:1 | 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
#F9F3F8
oklch(97% 0.009 330.9)
-
Step 100
100
#F2E6F0
oklch(93.7% 0.018 331.1)
-
Step 200
200
#E8D1E4
oklch(88.5% 0.036 331.6)
-
Step 300
300
#DAB2D4
oklch(80.9% 0.065 331.2)
-
Step 400
400
#C689BF
oklch(70.8% 0.103 330.6)
-
Step 500
500
#B66AAE
oklch(63.2% 0.131 330.9)
-
Step 600
600
#A1509A
oklch(55.7% 0.143 330.6)
-
Step 700
700
#894083
oklch(49% 0.132 330.6)
-
Step 800
800
#70356B
oklch(42.7% 0.111 330.6)
-
Step 900
900
#5B2F57
oklch(37.8% 0.086 330.5)
-
Step 950
950 (this color)
#230B21
oklch(19.9% 0.054 330.6)
#230B21 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) | #0A1222 | 0.054 |
| Deuteranopia (no green cones) | #111520 | 0.048 |
| Tritanopia (no blue cones) | #250D14 | 0.029 |
| Achromatopsia (no color) | #141414 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #230B21
#230B21
oklch(19.9% 0.054 330.6)
- #001C08
#001C08
oklch(19.8% 0.053 150.9)
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 #230B21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.048
- Midnight Purple #280137 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.062
- Eggplant #380835 ΔE 0.062
- Dark Purple #35063E ΔE 0.070
- Dark Plum #3F012C ΔE 0.071
- Aubergine #3D0734 ΔE 0.071
- Dark Maroon #3C0008 ΔE 0.074
Use #230B21 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.