#380B03
Closest named color: Deep Brown (#410200). oklch(23% 0.073 34.2), rgb(56, 11, 3).
Aa
White text reads best on this color (17.25:1).
About this color
#380B03 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 0.023 away. White text reads best on it, at 17.25:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.21:1 |
| White text | 17.25:1 |
Values
| HEX | #380B03 |
| RGB | rgb(56, 11, 3) |
| HSL | hsl(9, 90%, 12%) |
| OKLCH | oklch(23% 0.073 34.2) |
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 #380B03 | 17.25:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #380B03 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #380B03 text on white | 17.25:1 | AAA | Lc 103.6 | Preferred for body text |
| #380B03 text on black | 1.21:1 | 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
#F7CEC4
oklch(88.4% 0.049 34)
-
Step 300
300
#F3AD9C
oklch(81% 0.086 34.1)
-
Step 400
400
#EA7D64
oklch(70.7% 0.14 34)
-
Step 500
500
#E05738
oklch(63.2% 0.177 34.2)
-
Step 600
600
#CB340B
oklch(55.5% 0.193 34.2)
-
Step 700
700
#AE2700
oklch(49.1% 0.176 34.2)
-
Step 800
800
#8E2105
oklch(42.6% 0.149 34.1)
-
Step 900
900
#722310
oklch(37.7% 0.115 34.6)
-
Step 950
950 (this color)
#380B03
oklch(23% 0.073 34.2)
#380B03 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) | #181502 | 0.077 |
| Deuteranopia (no green cones) | #231F02 | 0.071 |
| Tritanopia (no blue cones) | #3F0009 | 0.028 |
| Achromatopsia (no color) | #1B1B1B | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #380B03
#380B03
oklch(23% 0.073 34.2)
- #002228
#002228
oklch(23.1% 0.04 211.6)
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 #380B03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.023
- Dark Maroon #3C0008 ΔE 0.026
- Mahogany #4A0100 ΔE 0.042
- Chocolate Brown #411900 ΔE 0.044
- Dark Brown #341C02 ΔE 0.045
- Dark Plum #3F012C ΔE 0.080
- Very Dark Brown #1D0200 ΔE 0.081
- Jet #212529 ΔE 0.088
Use #380B03 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.