#3B1F2D
Closest named color: Jet (#212529). oklch(28.2% 0.048 349.3), rgb(59, 31, 45).
Aa
White text reads best on this color (14.79:1).
About this color
#3B1F2D is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.048 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.055 away. White text reads best on it, at 14.79:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.41:1 |
| White text | 14.79:1 |
Values
| HEX | #3B1F2D |
| RGB | rgb(59, 31, 45) |
| HSL | hsl(330, 31%, 18%) |
| OKLCH | oklch(28.2% 0.048 349.3) |
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 #3B1F2D | 14.79:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #3B1F2D | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #3B1F2D text on white | 14.79:1 | AAA | Lc 101.5 | Preferred for body text |
| #3B1F2D text on black | 1.41:1 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F3E6EB
oklch(93.7% 0.016 352)
-
Step 200
200
#EAD1DC
oklch(88.4% 0.031 349.3)
-
Step 300
300
#DEB2C6
oklch(80.9% 0.057 349.4)
-
Step 400
400
#CC89A9
oklch(70.7% 0.091 349.5)
-
Step 500
500
#BD6A94
oklch(63% 0.117 349.3)
-
Step 600
600
#A8517F
oklch(55.6% 0.126 349)
-
Step 700
700
#90416B
oklch(49.1% 0.118 349.2)
-
Step 800
800
#753657
oklch(42.7% 0.097 349.4)
-
Step 900
900
#5F2F48
oklch(37.7% 0.077 348.9)
-
Step 950
950 (this color)
#3B1F2D
oklch(28.2% 0.048 349.3)
#3B1F2D 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) | #22252D | 0.051 |
| Deuteranopia (no green cones) | #292A2C | 0.048 |
| Tritanopia (no blue cones) | #3F1E24 | 0.018 |
| Achromatopsia (no color) | #282828 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B1F2D
#3B1F2D
oklch(28.2% 0.048 349.3)
- #0A3125
#0A3125
oklch(28.2% 0.049 168.6)
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 #3B1F2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.055
- Aubergine #3D0734 ΔE 0.060
- Dark #1B2431 ΔE 0.061
- Eggplant #380835 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.064
- Chocolate Brown #411900 ΔE 0.065
- Gunmetal #293241 ΔE 0.065
Use #3B1F2D 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.