#230A18
Closest named color: Very Dark Brown (#1D0200). oklch(19.2% 0.048 347.8), rgb(35, 10, 24).
Aa
White text reads best on this color (18.61:1).
About this color
#230A18 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.048 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 18.61:1.
| Hue family | Reds |
| Lightness | very dark (19%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.12:1 |
| White text | 18.61:1 |
Values
| HEX | #230A18 |
| RGB | rgb(35, 10, 24) |
| HSL | hsl(326, 56%, 9%) |
| OKLCH | oklch(19.2% 0.048 347.8) |
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 #230A18 | 18.61:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #230A18 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #230A18 text on white | 18.61:1 | AAA | Lc 105.0 | Preferred for body text |
| #230A18 text on black | 1.12:1 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F3E6EC
oklch(93.7% 0.016 347.6)
-
Step 200
200
#EAD1DD
oklch(88.5% 0.032 347.1)
-
Step 300
300
#DDB2C7
oklch(80.8% 0.057 347.5)
-
Step 400
400
#CB89AB
oklch(70.6% 0.091 347.5)
-
Step 500
500
#BC6B96
oklch(63.1% 0.116 347.8)
-
Step 600
600
#A75180
oklch(55.5% 0.126 348)
-
Step 700
700
#8F426C
oklch(49.2% 0.116 348.3)
-
Step 800
800
#743758
oklch(42.7% 0.095 348.2)
-
Step 900
900
#5E3049
oklch(37.7% 0.075 347.5)
-
Step 950
950 (this color)
#230A18
oklch(19.2% 0.048 347.8)
#230A18 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) | #0D1018 | 0.051 |
| Deuteranopia (no green cones) | #131417 | 0.047 |
| Tritanopia (no blue cones) | #26090F | 0.019 |
| Achromatopsia (no color) | #131313 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #230A18
#230A18
oklch(19.2% 0.048 347.8)
- #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 #230A18, 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
- Very Dark Purple #2A0134 ΔE 0.064
- Dark Maroon #3C0008 ΔE 0.066
- Rich Black #0D1B2A ΔE 0.068
- Midnight Purple #280137 ΔE 0.069
- Almost Black #070D0D ΔE 0.069
- Rich Navy #001219 ΔE 0.074
- Eggplant #380835 ΔE 0.075
Use #230A18 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.