#39010A
Closest named color: Dark Maroon (#3C0008). oklch(22% 0.086 18.3), rgb(57, 1, 10).
Aa
White text reads best on this color (17.75:1).
About this color
#39010A is a very dark, moderately saturated red. In OKLCH its lightness is 22%, its chroma 0.086 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.008 away. White text reads best on it, at 17.75:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.18:1 |
| White text | 17.75:1 |
Values
| HEX | #39010A |
| RGB | rgb(57, 1, 10) |
| HSL | hsl(350, 97%, 11%) |
| OKLCH | oklch(22% 0.086 18.3) |
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 #39010A | 17.75:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #39010A | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #39010A text on white | 17.75:1 | AAA | Lc 103.6 | Preferred for body text |
| #39010A text on black | 1.18:1 | 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
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FDE3E2
oklch(93.7% 0.029 20.3)
-
Step 200
200
#FDCBCB
oklch(88.6% 0.057 18.3)
-
Step 300
300
#FBA6A7
oklch(80.9% 0.101 18.7)
-
Step 400
400
#F57079
oklch(70.7% 0.163 18.1)
-
Step 500
500
#EC3F57
oklch(63% 0.208 18.1)
-
Step 600
600
#D6003D
oklch(55.5% 0.222 18.3)
-
Step 700
700
#B60032
oklch(49.2% 0.197 18.4)
-
Step 800
800
#960028
oklch(42.7% 0.171 18.3)
-
Step 900
900
#791224
oklch(37.6% 0.136 18.2)
-
Step 950
950 (this color)
#39010A
oklch(22% 0.086 18.3)
#39010A 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) | #12100A | 0.095 |
| Deuteranopia (no green cones) | #201C08 | 0.087 |
| Tritanopia (no blue cones) | #400004 | 0.020 |
| Achromatopsia (no color) | #181818 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39010A
#39010A
oklch(22% 0.086 18.3)
- #002021
#002021
oklch(22.1% 0.038 197.8)
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 #39010A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.008
- Deep Brown #410200 ΔE 0.028
- Mahogany #4A0100 ΔE 0.046
- Dark Plum #3F012C ΔE 0.063
- Chocolate Brown #411900 ΔE 0.067
- Dark Brown #341C02 ΔE 0.071
- Aubergine #3D0734 ΔE 0.076
- Eggplant #380835 ΔE 0.078
Use #39010A 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.