#310604
Closest named color: Dark Maroon (#3C0008). oklch(20.8% 0.07 28.7), rgb(49, 6, 4).
Aa
White text reads best on this color (18.12:1).
About this color
#310604 is a very dark, moderately saturated red. In OKLCH its lightness is 21%, its chroma 0.070 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.029 away. White text reads best on it, at 18.12:1.
| Hue family | Reds |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.15:1 |
| White text | 18.12:1 |
Values
| HEX | #310604 |
| RGB | rgb(49, 6, 4) |
| HSL | hsl(3, 85%, 10%) |
| OKLCH | oklch(20.8% 0.07 28.7) |
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 #310604 | 18.12:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #310604 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #310604 text on white | 18.12:1 | AAA | Lc 104.3 | Preferred for body text |
| #310604 text on black | 1.15:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F6CEC8
oklch(88.4% 0.046 28)
-
Step 300
300
#F2ADA2
oklch(81% 0.083 29.1)
-
Step 400
400
#E87E70
oklch(70.8% 0.133 28.7)
-
Step 500
500
#DD584A
oklch(63.1% 0.169 28.8)
-
Step 600
600
#C9372C
oklch(55.7% 0.185 28.8)
-
Step 700
700
#AD271F
oklch(49.1% 0.172 28.6)
-
Step 800
800
#8C231B
oklch(42.6% 0.142 28.9)
-
Step 900
900
#71241C
oklch(37.8% 0.11 29.2)
-
Step 950
950 (this color)
#310604
oklch(20.8% 0.07 28.7)
#310604 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) | #131004 | 0.074 |
| Deuteranopia (no green cones) | #1D1903 | 0.068 |
| Tritanopia (no blue cones) | #370006 | 0.019 |
| Achromatopsia (no color) | #161616 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #310604
#310604
oklch(20.8% 0.07 28.7)
- #001C20
#001C20
oklch(20.7% 0.036 207.7)
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 #310604, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.029
- Deep Brown #410200 ΔE 0.039
- Very Dark Brown #1D0200 ΔE 0.059
- Mahogany #4A0100 ΔE 0.061
- Dark Brown #341C02 ΔE 0.062
- Chocolate Brown #411900 ΔE 0.067
- Dark Plum #3F012C ΔE 0.082
- Eggplant #380835 ΔE 0.091
Use #310604 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.