#3B101F
Closest named color: Dark Maroon (#3C0008). oklch(25% 0.07 1.9), rgb(59, 16, 31).
Aa
White text reads best on this color (16.40:1).
About this color
#3B101F is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.070 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.041 away. White text reads best on it, at 16.40:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.27:1 |
| White text | 16.40:1 |
Values
| HEX | #3B101F |
| RGB | rgb(59, 16, 31) |
| HSL | hsl(339, 57%, 15%) |
| OKLCH | oklch(25% 0.07 1.9) |
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 #3B101F | 16.40:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #3B101F | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #3B101F text on white | 16.40:1 | AAA | Lc 103.0 | Preferred for body text |
| #3B101F text on black | 1.27:1 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F9E4E8
oklch(93.7% 0.024 4.5)
-
Step 200
200
#F4CDD7
oklch(88.4% 0.046 0.9)
-
Step 300
300
#EEABBC
oklch(80.9% 0.081 2.4)
-
Step 400
400
#E37B9A
oklch(70.7% 0.132 2)
-
Step 500
500
#D75582
oklch(63.1% 0.168 1.6)
-
Step 600
600
#C3346B
oklch(55.7% 0.183 2)
-
Step 700
700
#A82459
oklch(49.1% 0.171 2.1)
-
Step 800
800
#882149
oklch(42.7% 0.141 1.9)
-
Step 900
900
#6E223D
oklch(37.8% 0.11 2.1)
-
Step 950
950 (this color)
#3B101F
oklch(25% 0.07 1.9)
#3B101F 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) | #181A1F | 0.078 |
| Deuteranopia (no green cones) | #24221E | 0.069 |
| Tritanopia (no blue cones) | #410B16 | 0.020 |
| Achromatopsia (no color) | #1F1F1F | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B101F
#3B101F
oklch(25% 0.07 1.9)
- #002823
#002823
oklch(24.8% 0.044 182.5)
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 #3B101F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.041
- Dark Plum #3F012C ΔE 0.042
- Aubergine #3D0734 ΔE 0.047
- Deep Brown #410200 ΔE 0.048
- Eggplant #380835 ΔE 0.051
- Mahogany #4A0100 ΔE 0.054
- Chocolate Brown #411900 ΔE 0.060
- Dark Brown #341C02 ΔE 0.066
Use #3B101F 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.