#2D100F
Closest named color: Dark Maroon (#3C0008). oklch(21.8% 0.048 23.9), rgb(45, 16, 15).
Aa
White text reads best on this color (17.60:1).
About this color
#2D100F is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.048 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.043 away. White text reads best on it, at 17.60:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.19:1 |
| White text | 17.60:1 |
Values
| HEX | #2D100F |
| RGB | rgb(45, 16, 15) |
| HSL | hsl(2, 50%, 12%) |
| OKLCH | oklch(21.8% 0.048 23.9) |
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 #2D100F | 17.60:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #2D100F | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #2D100F text on white | 17.60:1 | AAA | Lc 104.2 | Preferred for body text |
| #2D100F text on black | 1.19:1 | 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
#FBF4F3
oklch(97.2% 0.008 27.2)
-
Step 100
100
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EED2CF
oklch(88.6% 0.032 25.1)
-
Step 300
300
#E3B3AF
oklch(80.9% 0.056 23.9)
-
Step 400
400
#D48A85
oklch(70.8% 0.092 23.9)
-
Step 500
500
#C66B67
oklch(63.1% 0.116 23.5)
-
Step 600
600
#B1514E
oklch(55.5% 0.126 23.8)
-
Step 700
700
#98413F
oklch(49% 0.118 23.7)
-
Step 800
800
#7C3634
oklch(42.7% 0.098 23.8)
-
Step 900
900
#64302D
oklch(37.8% 0.076 24.7)
-
Step 950
950 (this color)
#2D100F
oklch(21.8% 0.048 23.9)
#2D100F 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) | #17150F | 0.050 |
| Deuteranopia (no green cones) | #1E1B0E | 0.047 |
| Tritanopia (no blue cones) | #320B10 | 0.016 |
| Achromatopsia (no color) | #191919 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D100F
#2D100F
oklch(21.8% 0.048 23.9)
- #001F22
#001F22
oklch(21.8% 0.037 203.9)
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 #2D100F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.043
- Dark Brown #341C02 ΔE 0.050
- Deep Brown #410200 ΔE 0.051
- Chocolate Brown #411900 ΔE 0.062
- Very Dark Brown #1D0200 ΔE 0.068
- Mahogany #4A0100 ΔE 0.069
- Jet #212529 ΔE 0.071
- Rich Black #0D1B2A ΔE 0.077
Use #2D100F 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.