#230B18
Closest named color: Very Dark Brown (#1D0200). oklch(19.4% 0.046 348.5), rgb(35, 11, 24).
Aa
White text reads best on this color (18.54:1).
About this color
#230B18 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.046 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.058 away. White text reads best on it, at 18.54:1.
| Hue family | Reds |
| Lightness | very dark (19%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.13:1 |
| White text | 18.54:1 |
Values
| HEX | #230B18 |
| RGB | rgb(35, 11, 24) |
| HSL | hsl(328, 52%, 9%) |
| OKLCH | oklch(19.4% 0.046 348.5) |
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 #230B18 | 18.54:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #230B18 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #230B18 text on white | 18.54:1 | AAA | Lc 105.0 | Preferred for body text |
| #230B18 text on black | 1.13:1 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EB
oklch(93.6% 0.015 350.1)
-
Step 200
200
#E9D2DC
oklch(88.6% 0.029 349.5)
-
Step 300
300
#DCB3C6
oklch(80.9% 0.053 348.8)
-
Step 400
400
#C98BAA
oklch(70.7% 0.085 348.1)
-
Step 500
500
#BA6D95
oklch(63.2% 0.109 348.2)
-
Step 600
600
#A5537F
oklch(55.5% 0.12 348.3)
-
Step 700
700
#8D436B
oklch(49% 0.112 348.4)
-
Step 800
800
#733857
oklch(42.7% 0.092 348.9)
-
Step 900
900
#5D3148
oklch(37.7% 0.071 348.4)
-
Step 950
950 (this color)
#230B18
oklch(19.4% 0.046 348.5)
#230B18 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) | #0E1118 | 0.049 |
| Deuteranopia (no green cones) | #141517 | 0.045 |
| Tritanopia (no blue cones) | #260A10 | 0.017 |
| Achromatopsia (no color) | #131313 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #230B18
#230B18
oklch(19.4% 0.046 348.5)
- #001A11
#001A11
oklch(19.3% 0.039 167.8)
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 #230B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.065
- Very Dark Purple #2A0134 ΔE 0.065
- Rich Black #0D1B2A ΔE 0.066
- Almost Black #070D0D ΔE 0.068
- Midnight Purple #280137 ΔE 0.070
- Rich Navy #001219 ΔE 0.073
- Eggplant #380835 ΔE 0.075
Use #230B18 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.