#230203
Closest named color: Very Dark Brown (#1D0200). oklch(16.7% 0.06 24), rgb(35, 2, 3).
Aa
White text reads best on this color (19.41:1).
About this color
#230203 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.060 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.020 away. White text reads best on it, at 19.41:1.
| Hue family | Reds |
| Lightness | very dark (17%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.08:1 |
| White text | 19.41:1 |
Values
| HEX | #230203 |
| RGB | rgb(35, 2, 3) |
| HSL | hsl(358, 89%, 7%) |
| OKLCH | oklch(16.7% 0.06 24) |
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 #230203 | 19.41:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #230203 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #230203 text on white | 19.41:1 | AAA | Lc 105.2 | Preferred for body text |
| #230203 text on black | 1.08:1 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F2D0CD
oklch(88.5% 0.039 23.9)
-
Step 300
300
#EBAFAA
oklch(80.8% 0.071 24.2)
-
Step 400
400
#DF837E
oklch(70.7% 0.114 23.7)
-
Step 500
500
#D3615D
oklch(63.1% 0.145 24.1)
-
Step 600
600
#BE4443
oklch(55.6% 0.157 24.2)
-
Step 700
700
#A43435
oklch(49.1% 0.148 23.9)
-
Step 800
800
#852D2C
oklch(42.8% 0.121 24.4)
-
Step 900
900
#6B2928
oklch(37.6% 0.095 23.6)
-
Step 950
950 (this color)
#230203
oklch(16.7% 0.06 24)
#230203 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) | #0A0803 | 0.065 |
| Deuteranopia (no green cones) | #131002 | 0.060 |
| Tritanopia (no blue cones) | #280003 | 0.013 |
| Achromatopsia (no color) | #0D0D0D | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #230203
#230203
oklch(16.7% 0.06 24)
- #001214
#001214
oklch(16.6% 0.028 203.3)
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 #230203, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.020
- Dark Maroon #3C0008 ΔE 0.066
- Almost Black #070D0D ΔE 0.071
- Deep Brown #410200 ΔE 0.079
- Rich Navy #001219 ΔE 0.090
- Dark Brown #341C02 ΔE 0.095
- Very Dark Purple #2A0134 ΔE 0.101
- Mahogany #4A0100 ΔE 0.102
Use #230203 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.