#BB4400
Closest named color: Sinopia (#BB3E03). oklch(54.5% 0.166 41.6), rgb(187, 68, 0).
Aa
White text reads best on this color (5.33:1).
About this color
#BB4400 is a medium-dark, vivid orange. In OKLCH its lightness is 55%, its chroma 0.166 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.011 away. White text reads best on it, at 5.33:1.
| Hue family | Oranges |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #BB4400 |
| RGB | rgb(187, 68, 0) |
| HSL | hsl(22, 100%, 37%) |
| OKLCH | oklch(54.5% 0.166 41.6) |
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 #BB4400 | 5.33:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #BB4400 | 3.93:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #BB4400 text on white | 5.33:1 | AA | Lc 75.5 | Fine for body text |
| #BB4400 text on black | 3.93:1 | AA large text | Lc -26.2 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F2D1C4
oklch(88.5% 0.041 42.7)
-
Step 300
300
#EBB19B
oklch(80.8% 0.075 41.7)
-
Step 400
400
#DF8664
oklch(70.7% 0.12 41.5)
-
Step 500
500
#D36437
oklch(63% 0.152 41.5)
-
Step 600
600 (this color)
#BB4400
oklch(54.5% 0.166 41.6)
-
Step 700
700
#A23A00
oklch(49% 0.149 41.7)
-
Step 800
800
#852F03
oklch(42.6% 0.127 41.5)
-
Step 900
900
#6B2B10
oklch(37.6% 0.099 41.3)
-
Step 950
950
#3F1A0B
oklch(26.9% 0.063 41.6)
#BB4400 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) | #675A00 | 0.161 |
| Deuteranopia (no green cones) | #847500 | 0.146 |
| Tritanopia (no blue cones) | #CE213A | 0.077 |
| Achromatopsia (no color) | #6B6B6B | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB4400
#BB4400
oklch(54.5% 0.166 41.6)
- #007D9A
#007D9A
oklch(54.6% 0.101 221.6)
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 #BB4400, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.011
- Brick Orange #C14A09 ΔE 0.018
- Burnt Orange #C04E01 ΔE 0.023
- Burnt Siena #B75203 ΔE 0.027
- Cinnamon #AC4F06 ΔE 0.033
- Rust Orange #C45508 ΔE 0.040
- Rusty Red #AF2F0D ΔE 0.049
- Dull Red #BB3F3F ΔE 0.050
Use #BB4400 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.