#390C04
Closest named color: Deep Brown (#410200). oklch(23.3% 0.073 33.6), rgb(57, 12, 4).
Aa
White text reads best on this color (17.09:1).
About this color
#390C04 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.073 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.022 away. White text reads best on it, at 17.09:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.22:1 |
| White text | 17.09:1 |
Values
| HEX | #390C04 |
| RGB | rgb(57, 12, 4) |
| HSL | hsl(9, 87%, 12%) |
| OKLCH | oklch(23.3% 0.073 33.6) |
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 #390C04 | 17.09:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #390C04 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #390C04 text on white | 17.09:1 | AAA | Lc 103.5 | Preferred for body text |
| #390C04 text on black | 1.22:1 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DF
oklch(93.5% 0.025 32.9)
-
Step 200
200
#F7CEC5
oklch(88.4% 0.048 32.5)
-
Step 300
300
#F3AD9C
oklch(81% 0.086 34.1)
-
Step 400
400
#EA7D65
oklch(70.7% 0.14 33.6)
-
Step 500
500
#E05639
oklch(63.1% 0.178 33.6)
-
Step 600
600
#CB3410
oklch(55.6% 0.193 33.7)
-
Step 700
700
#AF2500
oklch(49.1% 0.178 33.7)
-
Step 800
800
#8E2107
oklch(42.6% 0.148 33.7)
-
Step 900
900
#722312
oklch(37.7% 0.115 33.7)
-
Step 950
950 (this color)
#390C04
oklch(23.3% 0.073 33.6)
#390C04 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) | #191503 | 0.076 |
| Deuteranopia (no green cones) | #241F03 | 0.069 |
| Tritanopia (no blue cones) | #40010A | 0.028 |
| Achromatopsia (no color) | #1C1C1C | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #390C04
#390C04
oklch(23.3% 0.073 33.6)
- #002229
#002229
oklch(23.2% 0.041 214.2)
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 #390C04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.022
- Dark Maroon #3C0008 ΔE 0.027
- Mahogany #4A0100 ΔE 0.040
- Chocolate Brown #411900 ΔE 0.041
- Dark Brown #341C02 ΔE 0.044
- Dark Plum #3F012C ΔE 0.079
- Very Dark Brown #1D0200 ΔE 0.085
- Jet #212529 ΔE 0.086
Use #390C04 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.