#15010B
Closest named color: Very Dark Brown (#1D0200). oklch(13.4% 0.049 348.7), rgb(21, 1, 11).
Aa
White text reads best on this color (20.17:1).
About this color
#15010B is a very dark, muted red. In OKLCH its lightness is 13%, its chroma 0.049 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.044 away. White text reads best on it, at 20.17:1.
| Hue family | Reds |
| Lightness | very dark (13%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.04:1 |
| White text | 20.17:1 |
Values
| HEX | #15010B |
| RGB | rgb(21, 1, 11) |
| HSL | hsl(330, 91%, 4%) |
| OKLCH | oklch(13.4% 0.049 348.7) |
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 #15010B | 20.17:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #15010B | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #15010B text on white | 20.17:1 | AAA | Lc 105.8 | Preferred for body text |
| #15010B text on black | 1.04:1 | 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
#F3E5EC
oklch(93.5% 0.018 345.6)
-
Step 200
200
#EBD1DD
oklch(88.6% 0.033 348.2)
-
Step 300
300
#DFB2C7
oklch(81% 0.059 348.8)
-
Step 400
400
#CD88AA
oklch(70.7% 0.095 348.8)
-
Step 500
500
#BE6995
oklch(63% 0.12 348.8)
-
Step 600
600
#A95080
oklch(55.7% 0.13 348.6)
-
Step 700
700
#91406C
oklch(49.2% 0.121 348.7)
-
Step 800
800
#763558
oklch(42.7% 0.101 348.7)
-
Step 900
900
#5F2F48
oklch(37.7% 0.077 348.9)
-
Step 950
950 (this color)
#15010B
oklch(13.4% 0.049 348.7)
#15010B 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) | #03050B | 0.054 |
| Deuteranopia (no green cones) | #07080A | 0.049 |
| Tritanopia (no blue cones) | #170104 | 0.020 |
| Achromatopsia (no color) | #070707 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15010B
#15010B
oklch(13.4% 0.049 348.7)
- #000B06
#000B06
oklch(13.3% 0.027 167.9)
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 #15010B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.044
- Almost Black #070D0D ΔE 0.061
- Rich Navy #001219 ΔE 0.081
- Midnight #03012D ΔE 0.092
- Very Dark Purple #2A0134 ΔE 0.098
- Dark Navy Blue #00022E ΔE 0.099
- Midnight Purple #280137 ΔE 0.101
- Rich Black #0D1B2A ΔE 0.106
Use #15010B 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.