#31191F
Closest named color: Jet (#212529). oklch(24.9% 0.039 4.2), rgb(49, 25, 31).
Aa
White text reads best on this color (16.28:1).
About this color
#31191F is a very dark, muted red. In OKLCH its lightness is 25%, its chroma 0.039 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Jet (#212529), ΔE 0.046 away. White text reads best on it, at 16.28:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Jet (#212529) |
| Black text | 1.28:1 |
| White text | 16.28:1 |
Values
| HEX | #31191F |
| RGB | rgb(49, 25, 31) |
| HSL | hsl(345, 32%, 15%) |
| OKLCH | oklch(24.9% 0.039 4.2) |
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 #31191F | 16.28:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #31191F | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #31191F text on white | 16.28:1 | AAA | Lc 103.1 | Preferred for body text |
| #31191F text on black | 1.28:1 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F2E6E9
oklch(93.5% 0.014 0.3)
-
Step 200
200
#E9D2D7
oklch(88.4% 0.026 2.8)
-
Step 300
300
#DCB5BD
oklch(81% 0.046 4.4)
-
Step 400
400
#C98D9B
oklch(70.6% 0.075 3.8)
-
Step 500
500
#BA7082
oklch(63.1% 0.096 4.5)
-
Step 600
600
#A5586C
oklch(55.7% 0.103 4.4)
-
Step 700
700
#8D475A
oklch(49% 0.097 4)
-
Step 800
800
#733B4A
oklch(42.8% 0.08 4)
-
Step 900
900
#5D333E
oklch(37.7% 0.062 3.6)
-
Step 950
950 (this color)
#31191F
oklch(24.9% 0.039 4.2)
#31191F 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) | #1D1D1F | 0.042 |
| Deuteranopia (no green cones) | #23221E | 0.040 |
| Tritanopia (no blue cones) | #35171B | 0.011 |
| Achromatopsia (no color) | #202020 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31191F
#31191F
oklch(24.9% 0.039 4.2)
- #052723
#052723
oklch(24.7% 0.039 183.9)
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 #31191F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.046
- Dark Brown #341C02 ΔE 0.049
- Dark #1B2431 ΔE 0.055
- Chocolate Brown #411900 ΔE 0.056
- Dark Maroon #3C0008 ΔE 0.059
- Deep Brown #410200 ΔE 0.063
- Eggplant #380835 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.066
Use #31191F 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.