#360003
Closest named color: Dark Maroon (#3C0008). oklch(21% 0.085 25), rgb(54, 0, 3).
Aa
White text reads best on this color (18.13:1).
About this color
#360003 is a very dark, moderately saturated red. In OKLCH its lightness is 21%, its chroma 0.085 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.018 away. White text reads best on it, at 18.13:1.
| Hue family | Reds |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.15:1 |
| White text | 18.13:1 |
Values
| HEX | #360003 |
| RGB | rgb(54, 0, 3) |
| HSL | hsl(357, 100%, 11%) |
| OKLCH | oklch(21% 0.085 25) |
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 #360003 | 18.13:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #360003 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #360003 text on white | 18.13:1 | AAA | Lc 103.9 | Preferred for body text |
| #360003 text on black | 1.15:1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FCCCC7
oklch(88.6% 0.055 25.2)
-
Step 300
300
#FBA7A0
oklch(80.9% 0.101 24.8)
-
Step 400
400
#F5736C
oklch(70.8% 0.161 25.1)
-
Step 500
500
#EC4344
oklch(63.1% 0.206 25)
-
Step 600
600
#D70524
oklch(55.5% 0.223 25)
-
Step 700
700
#B7001C
oklch(49.1% 0.199 25)
-
Step 800
800
#970116
oklch(42.7% 0.172 24.9)
-
Step 900
900
#791519
oklch(37.6% 0.134 24.8)
-
Step 950
950 (this color)
#360003
oklch(21% 0.085 25)
#360003 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) | #110E03 | 0.093 |
| Deuteranopia (no green cones) | #1F1A01 | 0.084 |
| Tritanopia (no blue cones) | #3D0001 | 0.019 |
| Achromatopsia (no color) | #161616 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #360003
#360003
oklch(21% 0.085 25)
- #001D20
#001D20
oklch(21% 0.036 204.3)
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 #360003, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.018
- Deep Brown #410200 ΔE 0.031
- Mahogany #4A0100 ΔE 0.053
- Very Dark Brown #1D0200 ΔE 0.067
- Chocolate Brown #411900 ΔE 0.070
- Dark Brown #341C02 ΔE 0.071
- Dark Plum #3F012C ΔE 0.076
- Aubergine #3D0734 ΔE 0.089
Use #360003 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.