#390603
Closest named color: Dark Maroon (#3C0008). oklch(22.5% 0.08 29.9), rgb(57, 6, 3).
Aa
White text reads best on this color (17.48:1).
About this color
#390603 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.080 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.017 away. White text reads best on it, at 17.48:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.20:1 |
| White text | 17.48:1 |
Values
| HEX | #390603 |
| RGB | rgb(57, 6, 3) |
| HSL | hsl(3, 90%, 12%) |
| OKLCH | oklch(22.5% 0.08 29.9) |
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 #390603 | 17.48:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #390603 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #390603 text on white | 17.48:1 | AAA | Lc 103.6 | Preferred for body text |
| #390603 text on black | 1.20:1 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DF
oklch(93.7% 0.027 31.7)
-
Step 200
200
#FACDC5
oklch(88.5% 0.052 29.9)
-
Step 300
300
#F8AA9C
oklch(81% 0.095 30.5)
-
Step 400
400
#F07866
oklch(70.7% 0.151 30.1)
-
Step 500
500
#E74C3B
oklch(63.1% 0.194 29.7)
-
Step 600
600
#D32213
oklch(55.7% 0.211 30)
-
Step 700
700
#B60D01
oklch(49.1% 0.196 30)
-
Step 800
800
#941409
oklch(42.8% 0.163 30)
-
Step 900
900
#761C12
oklch(37.6% 0.126 30.2)
-
Step 950
950 (this color)
#390603
oklch(22.5% 0.08 29.9)
#390603 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) | #161202 | 0.086 |
| Deuteranopia (no green cones) | #221E02 | 0.079 |
| Tritanopia (no blue cones) | #400006 | 0.020 |
| Achromatopsia (no color) | #1A1A1A | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #390603
#390603
oklch(22.5% 0.08 29.9)
- #002126
#002126
oklch(22.7% 0.039 209.2)
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 #390603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.017
- Deep Brown #410200 ΔE 0.019
- Mahogany #4A0100 ΔE 0.041
- Chocolate Brown #411900 ΔE 0.052
- Dark Brown #341C02 ΔE 0.055
- Dark Plum #3F012C ΔE 0.077
- Very Dark Brown #1D0200 ΔE 0.079
- Aubergine #3D0734 ΔE 0.088
Use #390603 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.