#230104
Closest named color: Very Dark Brown (#1D0200). oklch(16.5% 0.062 19.6), rgb(35, 1, 4).
Aa
White text reads best on this color (19.48:1).
About this color
#230104 is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.062 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.022 away. White text reads best on it, at 19.48:1.
| Hue family | Reds |
| Lightness | very dark (16%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.07:1 |
| White text | 19.48:1 |
Values
| HEX | #230104 |
| RGB | rgb(35, 1, 4) |
| HSL | hsl(355, 94%, 7%) |
| OKLCH | oklch(16.5% 0.062 19.6) |
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 #230104 | 19.48:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #230104 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #230104 text on white | 19.48:1 | AAA | Lc 105.2 | Preferred for body text |
| #230104 text on black | 1.07:1 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E5E4
oklch(93.7% 0.021 21.2)
-
Step 200
200
#F3CFCE
oklch(88.5% 0.041 19.8)
-
Step 300
300
#EDAEAD
oklch(80.9% 0.074 19.9)
-
Step 400
400
#E18182
oklch(70.7% 0.119 19.8)
-
Step 500
500
#D55E63
oklch(63.1% 0.15 19.9)
-
Step 600
600
#C0404A
oklch(55.6% 0.163 19.8)
-
Step 700
700
#A6303C
oklch(49.1% 0.153 19.3)
-
Step 800
800
#862A31
oklch(42.6% 0.125 19.9)
-
Step 900
900
#6C272B
oklch(37.6% 0.099 19.7)
-
Step 950
950 (this color)
#230104
oklch(16.5% 0.062 19.6)
#230104 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) | #090804 | 0.069 |
| Deuteranopia (no green cones) | #120F03 | 0.062 |
| Tritanopia (no blue cones) | #280002 | 0.014 |
| Achromatopsia (no color) | #0D0D0D | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #230104
#230104
oklch(16.5% 0.062 19.6)
- #001213
#001213
oklch(16.5% 0.028 199.1)
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 #230104, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.022
- Dark Maroon #3C0008 ΔE 0.067
- Almost Black #070D0D ΔE 0.073
- Deep Brown #410200 ΔE 0.081
- Rich Navy #001219 ΔE 0.092
- Very Dark Purple #2A0134 ΔE 0.098
- Dark Brown #341C02 ΔE 0.099
- Mahogany #4A0100 ΔE 0.103
Use #230104 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.