#B6111F
Closest named color: Firebrick (#B22222). oklch(49.5% 0.193 25.4), rgb(182, 17, 31).
Aa
White text reads best on this color (6.79:1).
About this color
#B6111F is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.193 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.014 away. White text reads best on it, at 6.79:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.193) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.08:1 |
| White text | 6.79:1 |
Values
| HEX | #B6111F |
| RGB | rgb(182, 17, 31) |
| HSL | hsl(355, 83%, 39%) |
| OKLCH | oklch(49.5% 0.193 25.4) |
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 #B6111F | 6.79:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #B6111F | 3.08:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #B6111F text on white | 6.79:1 | AA | Lc 81.3 | Fine for body text |
| #B6111F text on black | 3.08:1 | AA large text | Lc -20.6 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FACDC8
oklch(88.6% 0.052 25.6)
-
Step 300
300
#F7A9A2
oklch(80.8% 0.093 25)
-
Step 400
400
#EF776F
oklch(70.6% 0.149 25.5)
-
Step 500
500
#E64C49
oklch(63.1% 0.191 25.4)
-
Step 600
600
#D1222B
oklch(55.5% 0.207 25.4)
-
Step 700
700 (this color)
#B6111F
oklch(49.5% 0.193 25.4)
-
Step 800
800
#93141B
oklch(42.7% 0.16 25.3)
-
Step 900
900
#761C1C
oklch(37.8% 0.124 25.5)
-
Step 950
950
#451211
oklch(26.8% 0.079 25.1)
#B6111F 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) | #4D451D | 0.212 |
| Deuteranopia (no green cones) | #746716 | 0.192 |
| Tritanopia (no blue cones) | #C9001A | 0.038 |
| Achromatopsia (no color) | #5B5B5B | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B6111F
#B6111F
oklch(49.5% 0.193 25.4)
- #006F79
#006F79
oklch(49.5% 0.085 205.7)
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 #B6111F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.014
- Scarlet #BE0119 ΔE 0.016
- Rufous #AE2012 ΔE 0.022
- Lipstick Red #C0022F ΔE 0.027
- Rust Red #AA2704 ΔE 0.036
- Brown #A52A2A ΔE 0.036
- Rusty Red #AF2F0D ΔE 0.037
- Rose Red #BE013C ΔE 0.038
Use #B6111F 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.