#240B0A
Closest named color: Very Dark Brown (#1D0200). oklch(19% 0.043 24.3), rgb(36, 11, 10).
Aa
White text reads best on this color (18.62:1).
About this color
#240B0A is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.043 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.042 away. White text reads best on it, at 18.62:1.
| Hue family | Reds |
| Lightness | very dark (19%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.12:1 |
| White text | 18.62:1 |
Values
| HEX | #240B0A |
| RGB | rgb(36, 11, 10) |
| HSL | hsl(2, 57%, 9%) |
| OKLCH | oklch(19% 0.043 24.3) |
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 #240B0A | 18.62:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #240B0A | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #240B0A text on white | 18.62:1 | AAA | Lc 105.0 | Preferred for body text |
| #240B0A text on black | 1.12:1 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E5
oklch(93.6% 0.015 22.4)
-
Step 200
200
#EBD2D0
oklch(88.4% 0.028 23.2)
-
Step 300
300
#E0B4B1
oklch(80.8% 0.051 22.8)
-
Step 400
400
#CF8D88
oklch(70.8% 0.081 24.1)
-
Step 500
500
#C06F6A
oklch(63% 0.104 24.2)
-
Step 600
600
#AC5652
oklch(55.7% 0.113 24.1)
-
Step 700
700
#934642
oklch(49.1% 0.105 24.7)
-
Step 800
800
#783A37
oklch(42.8% 0.087 24.3)
-
Step 900
900
#61322F
oklch(37.7% 0.068 24.7)
-
Step 950
950 (this color)
#240B0A
oklch(19% 0.043 24.3)
#240B0A 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) | #110F0A | 0.045 |
| Deuteranopia (no green cones) | #171509 | 0.043 |
| Tritanopia (no blue cones) | #28070B | 0.014 |
| Achromatopsia (no color) | #131313 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #240B0A
#240B0A
oklch(19% 0.043 24.3)
- #00181B
#00181B
oklch(19.1% 0.033 205.6)
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 #240B0A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.042
- Dark Maroon #3C0008 ΔE 0.059
- Almost Black #070D0D ΔE 0.065
- Deep Brown #410200 ΔE 0.070
- Dark Brown #341C02 ΔE 0.072
- Rich Navy #001219 ΔE 0.076
- Rich Black #0D1B2A ΔE 0.077
- Jet #212529 ΔE 0.088
Use #240B0A 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.