#BB4615
Closest named color: Sinopia (#BB3E03). oklch(54.8% 0.161 39.8), rgb(187, 70, 21).
Aa
White text reads best on this color (5.25:1).
About this color
#BB4615 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.161 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.014 away. White text reads best on it, at 5.25:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.161) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.99:1 |
| White text | 5.25:1 |
Values
| HEX | #BB4615 |
| RGB | rgb(187, 70, 21) |
| HSL | hsl(18, 80%, 41%) |
| OKLCH | oklch(54.8% 0.161 39.8) |
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 #BB4615 | 5.25:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #BB4615 | 3.99:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #BB4615 text on white | 5.25:1 | AA | Lc 75.1 | Fine for body text |
| #BB4615 text on black | 3.99:1 | AA large text | Lc -26.6 | 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 600.
-
Step 50
50
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F2D1C6
oklch(88.5% 0.04 39.3)
-
Step 300
300
#EAB19E
oklch(80.8% 0.072 39.2)
-
Step 400
400
#DE8668
oklch(70.7% 0.117 39.5)
-
Step 500
500
#D2653E
oklch(63.1% 0.148 39.8)
-
Step 600
600 (this color)
#BB4615
oklch(54.8% 0.161 39.8)
-
Step 700
700
#A33908
oklch(49.1% 0.15 40)
-
Step 800
800
#84300D
oklch(42.6% 0.124 40)
-
Step 900
900
#6B2C14
oklch(37.8% 0.097 40.2)
-
Step 950
950
#3F1A0D
oklch(27% 0.062 39.6)
#BB4615 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) | #685B0A | 0.160 |
| Deuteranopia (no green cones) | #85760D | 0.145 |
| Tritanopia (no blue cones) | #CE263D | 0.072 |
| Achromatopsia (no color) | #6C6C6C | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4615
#BB4615
oklch(54.8% 0.161 39.8)
- #007E99
#007E99
oklch(54.8% 0.1 219.8)
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 #BB4615, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.014
- Brick Orange #C14A09 ΔE 0.016
- Burnt Orange #C04E01 ΔE 0.023
- Burnt Siena #B75203 ΔE 0.027
- Cinnamon #AC4F06 ΔE 0.034
- Rust Orange #C45508 ΔE 0.039
- Dull Red #BB3F3F ΔE 0.044
- Rusty Red #AF2F0D ΔE 0.051
Use #BB4615 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.