#390503
Closest named color: Dark Maroon (#3C0008). oklch(22.4% 0.081 29.2), rgb(57, 5, 3).
Aa
White text reads best on this color (17.54:1).
About this color
#390503 is a very dark, moderately saturated red. In OKLCH its lightness is 22%, its chroma 0.081 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.016 away. White text reads best on it, at 17.54:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.19:1 |
| White text | 17.54:1 |
Values
| HEX | #390503 |
| RGB | rgb(57, 5, 3) |
| HSL | hsl(2, 90%, 12%) |
| OKLCH | oklch(22.4% 0.081 29.2) |
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 #390503 | 17.54:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #390503 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #390503 text on white | 17.54:1 | AAA | Lc 103.6 | Preferred for body text |
| #390503 text on black | 1.19:1 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FCE3DF
oklch(93.5% 0.028 28.5)
-
Step 200
200
#FBCDC5
oklch(88.6% 0.054 29.6)
-
Step 300
300
#F9A99D
oklch(80.9% 0.097 28.8)
-
Step 400
400
#F17766
oklch(70.7% 0.154 29.6)
-
Step 500
500
#E84A3B
oklch(63% 0.197 29.2)
-
Step 600
600
#D41D15
oklch(55.6% 0.214 29.1)
-
Step 700
700
#B70504
oklch(49.1% 0.199 29.1)
-
Step 800
800
#94110B
oklch(42.6% 0.164 29.1)
-
Step 900
900
#771A13
oklch(37.6% 0.129 29)
-
Step 950
950 (this color)
#390503
oklch(22.4% 0.081 29.2)
#390503 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) | #151202 | 0.089 |
| Deuteranopia (no green cones) | #221D02 | 0.079 |
| Tritanopia (no blue cones) | #400005 | 0.018 |
| Achromatopsia (no color) | #191919 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #390503
#390503
oklch(22.4% 0.081 29.2)
- #002025
#002025
oklch(22.3% 0.039 209.5)
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 #390503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.016
- Deep Brown #410200 ΔE 0.019
- Mahogany #4A0100 ΔE 0.041
- Chocolate Brown #411900 ΔE 0.054
- Dark Brown #341C02 ΔE 0.057
- Dark Plum #3F012C ΔE 0.076
- Very Dark Brown #1D0200 ΔE 0.078
- Aubergine #3D0734 ΔE 0.087
Use #390503 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.