#BB1C06
Closest named color: Scarlet (#BE0119). oklch(50.8% 0.194 30.9), rgb(187, 28, 6).
Aa
White text reads best on this color (6.39:1).
About this color
#BB1C06 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.194 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Scarlet (#BE0119), ΔE 0.021 away. White text reads best on it, at 6.39:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Scarlet (#BE0119) |
| Black text | 3.28:1 |
| White text | 6.39:1 |
Values
| HEX | #BB1C06 |
| RGB | rgb(187, 28, 6) |
| HSL | hsl(7, 94%, 38%) |
| OKLCH | oklch(50.8% 0.194 30.9) |
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 #BB1C06 | 6.39:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #BB1C06 | 3.28:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #BB1C06 text on white | 6.39:1 | AA | Lc 79.8 | Fine for body text |
| #BB1C06 text on black | 3.28:1 | AA large text | Lc -22.0 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DF
oklch(93.7% 0.027 31.7)
-
Step 200
200
#FACDC4
oklch(88.5% 0.053 31.3)
-
Step 300
300
#F7AA9C
oklch(80.9% 0.094 30.6)
-
Step 400
400
#EF7965
oklch(70.7% 0.149 31.1)
-
Step 500
500
#E64E39
oklch(63.1% 0.192 30.8)
-
Step 600
600
#D2250E
oklch(55.7% 0.209 30.9)
-
Step 700
700 (this color)
#BB1C06
oklch(50.8% 0.194 30.9)
-
Step 800
800
#931606
oklch(42.7% 0.161 30.9)
-
Step 900
900
#761D11
oklch(37.7% 0.125 31)
-
Step 950
950
#46130C
oklch(27.1% 0.08 30.7)
#BB1C06 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) | #534900 | 0.210 |
| Deuteranopia (no green cones) | #796B00 | 0.187 |
| Tritanopia (no blue cones) | #CF001B | 0.042 |
| Achromatopsia (no color) | #5F5F5F | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB1C06
#BB1C06
oklch(50.8% 0.194 30.9)
- #007382
#007382
oklch(50.9% 0.088 210.5)
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 #BB1C06, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Scarlet #BE0119 ΔE 0.021
- Firebrick #B22222 ΔE 0.023
- Rufous #AE2012 ΔE 0.026
- Rusty Red #AF2F0D ΔE 0.028
- Rust Red #AA2704 ΔE 0.034
- Lipstick Red #C0022F ΔE 0.038
- Sinopia #BB3E03 ΔE 0.046
- Brown #A52A2A ΔE 0.047
Use #BB1C06 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.