#18010A
Closest named color: Very Dark Brown (#1D0200). oklch(14% 0.052 355.4), rgb(24, 1, 10).
Aa
White text reads best on this color (20.04:1).
About this color
#18010A is a very dark, muted red. In OKLCH its lightness is 14%, its chroma 0.052 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.037 away. White text reads best on it, at 20.04:1.
| Hue family | Reds |
| Lightness | very dark (14%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.04:1 |
| White text | 20.04:1 |
Values
| HEX | #18010A |
| RGB | rgb(24, 1, 10) |
| HSL | hsl(337, 92%, 5%) |
| OKLCH | oklch(14% 0.052 355.4) |
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 #18010A | 20.04:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #18010A | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #18010A text on white | 20.04:1 | AAA | Lc 105.7 | Preferred for body text |
| #18010A 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
#F4E5EA
oklch(93.5% 0.018 355.1)
-
Step 200
200
#EDD0DA
oklch(88.5% 0.035 355)
-
Step 300
300
#E2B1C2
oklch(80.9% 0.061 355.8)
-
Step 400
400
#D187A3
oklch(70.7% 0.097 355.6)
-
Step 500
500
#C3678D
oklch(63.1% 0.125 355.1)
-
Step 600
600
#AE4C77
oklch(55.5% 0.136 355)
-
Step 700
700
#963D64
oklch(49.2% 0.127 355.4)
-
Step 800
800
#7A3351
oklch(42.8% 0.105 356)
-
Step 900
900
#622D43
oklch(37.6% 0.081 355.5)
-
Step 950
950 (this color)
#18010A
oklch(14% 0.052 355.4)
#18010A 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) | #04050A | 0.057 |
| Deuteranopia (no green cones) | #0A0A09 | 0.053 |
| Tritanopia (no blue cones) | #1B0004 | 0.017 |
| Achromatopsia (no color) | #080808 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18010A
#18010A
oklch(14% 0.052 355.4)
- #000D09
#000D09
oklch(14.2% 0.027 175.7)
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 #18010A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.037
- Almost Black #070D0D ΔE 0.062
- Rich Navy #001219 ΔE 0.082
- Very Dark Purple #2A0134 ΔE 0.095
- Midnight #03012D ΔE 0.098
- Dark Maroon #3C0008 ΔE 0.098
- Midnight Purple #280137 ΔE 0.099
- Rich Black #0D1B2A ΔE 0.104
Use #18010A 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.