#B1192F
Closest named color: Firebrick (#B22222). oklch(49.1% 0.183 21.1), rgb(177, 25, 47).
Aa
White text reads best on this color (6.88:1).
About this color
#B1192F is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.183 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.019 away. White text reads best on it, at 6.88:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.04:1 |
| White text | 6.88:1 |
Values
| HEX | #B1192F |
| RGB | rgb(177, 25, 47) |
| HSL | hsl(351, 75%, 40%) |
| OKLCH | oklch(49.1% 0.183 21.1) |
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 #B1192F | 6.88:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #B1192F | 3.04:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #B1192F text on white | 6.88:1 | AA | Lc 81.9 | Fine for body text |
| #B1192F text on black | 3.04:1 | AA large text | Lc -19.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#FDF2F2
oklch(97% 0.012 17.4)
-
Step 100
100
#FBE4E2
oklch(93.7% 0.025 23.6)
-
Step 200
200
#F8CDCB
oklch(88.5% 0.049 21.2)
-
Step 300
300
#F5AAA8
oklch(80.9% 0.089 20.9)
-
Step 400
400
#EC7979
oklch(70.7% 0.142 21.3)
-
Step 500
500
#E25057
oklch(63.1% 0.181 21.3)
-
Step 600
600
#CD2A3D
oklch(55.5% 0.197 21)
-
Step 700
700 (this color)
#B1192F
oklch(49.1% 0.183 21.1)
-
Step 800
800
#901A28
oklch(42.7% 0.152 20.9)
-
Step 900
900
#741E25
oklch(37.7% 0.119 20.6)
-
Step 950
950
#441416
oklch(27% 0.074 21.1)
#B1192F 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) | #4C462E | 0.202 |
| Deuteranopia (no green cones) | #70652A | 0.184 |
| Tritanopia (no blue cones) | #C30024 | 0.036 |
| Achromatopsia (no color) | #5A5A5A | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1192F
#B1192F
oklch(49.1% 0.183 21.1)
- #006E74
#006E74
oklch(49% 0.083 201.4)
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 #B1192F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.019
- Rouge #AB1239 ΔE 0.022
- Brown #A52A2A ΔE 0.029
- Rufous #AE2012 ΔE 0.029
- Lipstick Red #C0022F ΔE 0.030
- Scarlet #BE0119 ΔE 0.031
- Rose Red #BE013C ΔE 0.032
- Rust Red #AA2704 ΔE 0.042
Use #B1192F 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.