#230101
Closest named color: Very Dark Brown (#1D0200). oklch(16.4% 0.063 27.9), rgb(35, 1, 1).
Aa
White text reads best on this color (19.51:1).
About this color
#230101 is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.063 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.017 away. White text reads best on it, at 19.51:1.
| Hue family | Reds |
| Lightness | very dark (16%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.07:1 |
| White text | 19.51:1 |
Values
| HEX | #230101 |
| RGB | rgb(35, 1, 1) |
| HSL | hsl(0, 94%, 7%) |
| OKLCH | oklch(16.4% 0.063 27.9) |
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 #230101 | 19.51:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #230101 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #230101 text on white | 19.51:1 | AAA | Lc 105.2 | Preferred for body text |
| #230101 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F4CFCA
oklch(88.5% 0.042 27)
-
Step 300
300
#EDAFA6
oklch(80.9% 0.074 28.1)
-
Step 400
400
#E18276
oklch(70.6% 0.119 28.1)
-
Step 500
500
#D65F53
oklch(63.1% 0.153 28)
-
Step 600
600
#C14138
oklch(55.5% 0.165 27.7)
-
Step 700
700
#A6322A
oklch(49.1% 0.153 28.1)
-
Step 800
800
#872B24
oklch(42.7% 0.127 28)
-
Step 900
900
#6D2822
oklch(37.7% 0.1 27.8)
-
Step 950
950 (this color)
#230101
oklch(16.4% 0.063 27.9)
#230101 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) | #090701 | 0.069 |
| Deuteranopia (no green cones) | #130F00 | 0.061 |
| Tritanopia (no blue cones) | #280001 | 0.013 |
| Achromatopsia (no color) | #0C0C0C | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #230101
#230101
oklch(16.4% 0.063 27.9)
- #001114
#001114
oklch(16.2% 0.028 207.9)
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 #230101, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.017
- Dark Maroon #3C0008 ΔE 0.068
- Almost Black #070D0D ΔE 0.074
- Deep Brown #410200 ΔE 0.081
- Rich Navy #001219 ΔE 0.094
- Dark Brown #341C02 ΔE 0.097
- Mahogany #4A0100 ΔE 0.103
- Rich Black #0D1B2A ΔE 0.107
Use #230101 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.