#240004
Closest named color: Very Dark Brown (#1D0200). oklch(16.5% 0.066 18.4), rgb(36, 0, 4).
Aa
White text reads best on this color (19.50:1).
About this color
#240004 is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.066 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.025 away. White text reads best on it, at 19.50:1.
| Hue family | Reds |
| Lightness | very dark (16%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.07:1 |
| White text | 19.50:1 |
Values
| HEX | #240004 |
| RGB | rgb(36, 0, 4) |
| HSL | hsl(353, 100%, 7%) |
| OKLCH | oklch(16.5% 0.066 18.4) |
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 #240004 | 19.50:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #240004 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #240004 text on white | 19.50:1 | AAA | Lc 105.2 | Preferred for body text |
| #240004 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F5CECE
oklch(88.5% 0.044 18)
-
Step 300
300
#EFADAD
oklch(81% 0.078 18.9)
-
Step 400
400
#E47E82
oklch(70.6% 0.126 18.3)
-
Step 500
500
#D95963
oklch(63.1% 0.161 18.3)
-
Step 600
600
#C43A4A
oklch(55.6% 0.174 18.5)
-
Step 700
700
#A92B3B
oklch(49.2% 0.161 18.7)
-
Step 800
800
#892531
oklch(42.6% 0.134 18.4)
-
Step 900
900
#6E252B
oklch(37.6% 0.104 18.8)
-
Step 950
950 (this color)
#240004
oklch(16.5% 0.066 18.4)
#240004 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) | #080704 | 0.074 |
| Deuteranopia (no green cones) | #121003 | 0.069 |
| Tritanopia (no blue cones) | #290001 | 0.017 |
| Achromatopsia (no color) | #0C0C0C | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #240004
#240004
oklch(16.5% 0.066 18.4)
- #001213
#001213
oklch(16.5% 0.028 199.1)
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 #240004, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.025
- Dark Maroon #3C0008 ΔE 0.065
- Almost Black #070D0D ΔE 0.077
- Deep Brown #410200 ΔE 0.080
- Rich Navy #001219 ΔE 0.096
- Very Dark Purple #2A0134 ΔE 0.098
- Dark Brown #341C02 ΔE 0.101
- Dark Plum #3F012C ΔE 0.102
Use #240004 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.