#BB4C13
Closest named color: Brick Orange (#C14A09). oklch(55.6% 0.157 42.7), rgb(187, 76, 19).
Aa
White text reads best on this color (5.05:1).
About this color
#BB4C13 is a medium-dark, vivid orange. In OKLCH its lightness is 56%, its chroma 0.157 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.011 away. White text reads best on it, at 5.05:1.
| Hue family | Oranges |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #BB4C13 |
| RGB | rgb(187, 76, 19) |
| HSL | hsl(20, 82%, 40%) |
| OKLCH | oklch(55.6% 0.157 42.7) |
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 #BB4C13 | 5.05:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #BB4C13 | 4.15:1 | AA large text | Lc 30.0 | Dividers and decoration only |
| #BB4C13 text on white | 5.05:1 | AA | Lc 74.1 | Content text, not long reading |
| #BB4C13 text on black | 4.15:1 | AA large text | Lc -27.6 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C5
oklch(88.4% 0.04 41.7)
-
Step 300
300
#E9B29D
oklch(80.9% 0.071 41.9)
-
Step 400
400
#DB8866
oklch(70.6% 0.113 42.9)
-
Step 500
500
#CF683B
oklch(63.1% 0.143 43)
-
Step 600
600 (this color)
#BB4C13
oklch(55.6% 0.157 42.7)
-
Step 700
700
#A13C01
oklch(49.1% 0.146 42.7)
-
Step 800
800
#833309
oklch(42.9% 0.121 42.9)
-
Step 900
900
#692D13
oklch(37.6% 0.094 42.2)
-
Step 950
950
#3E1B0D
oklch(27% 0.06 41.7)
#BB4C13 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) | #6C5F05 | 0.151 |
| Deuteranopia (no green cones) | #87780C | 0.136 |
| Tritanopia (no blue cones) | #CE3042 | 0.077 |
| Achromatopsia (no color) | #6F6F6F | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4C13
#BB4C13
oklch(55.6% 0.157 42.7)
- #00809F
#00809F
oklch(55.6% 0.103 222.6)
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 #BB4C13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.011
- Burnt Orange #C04E01 ΔE 0.013
- Burnt Siena #B75203 ΔE 0.016
- Sinopia #BB3E03 ΔE 0.025
- Rust Orange #C45508 ΔE 0.028
- Cinnamon #AC4F06 ΔE 0.030
- Copper #B66325 ΔE 0.048
- Rusty Orange #CD5909 ΔE 0.048
Use #BB4C13 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.