#1B0102
Closest named color: Very Dark Brown (#1D0200). oklch(14.4% 0.053 23), rgb(27, 1, 2).
Aa
White text reads best on this color (19.96:1).
About this color
#1B0102 is a very dark, muted red. In OKLCH its lightness is 14%, its chroma 0.053 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.013 away. White text reads best on it, at 19.96:1.
| Hue family | Reds |
| Lightness | very dark (14%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.05:1 |
| White text | 19.96:1 |
Values
| HEX | #1B0102 |
| RGB | rgb(27, 1, 2) |
| HSL | hsl(358, 93%, 5%) |
| OKLCH | oklch(14.4% 0.053 23) |
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 #1B0102 | 19.96:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #1B0102 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #1B0102 text on white | 19.96:1 | AAA | Lc 105.6 | Preferred for body text |
| #1B0102 text on black | 1.05:1 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#F0D1CE
oklch(88.6% 0.035 24.4)
-
Step 300
300
#E7B1AE
oklch(80.9% 0.063 22.2)
-
Step 400
400
#D88783
oklch(70.7% 0.1 23)
-
Step 500
500
#CB6764
oklch(63.1% 0.128 23.1)
-
Step 600
600
#B74C4B
oklch(55.7% 0.14 23.2)
-
Step 700
700
#9D3C3C
oklch(49.1% 0.13 23.2)
-
Step 800
800
#7F3232
oklch(42.5% 0.107 22.8)
-
Step 900
900
#672D2C
oklch(37.7% 0.084 22.9)
-
Step 950
950 (this color)
#1B0102
oklch(14.4% 0.053 23)
#1B0102 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) | #060502 | 0.058 |
| Deuteranopia (no green cones) | #0D0B02 | 0.053 |
| Tritanopia (no blue cones) | #1F0001 | 0.011 |
| Achromatopsia (no color) | #090909 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B0102
#1B0102
oklch(14.4% 0.053 23)
- #000D0E
#000D0E
oklch(14.5% 0.025 199.9)
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 #1B0102, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.013
- Almost Black #070D0D ΔE 0.063
- Rich Navy #001219 ΔE 0.087
- Dark Maroon #3C0008 ΔE 0.090
- Deep Brown #410200 ΔE 0.103
- Rich Black #0D1B2A ΔE 0.110
- Very Dark Purple #2A0134 ΔE 0.111
- Midnight Purple #280137 ΔE 0.116
Use #1B0102 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.