#BB5523
Closest named color: Burnt Orange (#C04E01). oklch(57% 0.145 43.8), rgb(187, 85, 35).
Aa
White text reads best on this color (4.73:1).
About this color
#BB5523 is a medium-dark, vivid orange. In OKLCH its lightness is 57%, its chroma 0.145 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Orange (#C04E01), ΔE 0.018 away. White text reads best on it, at 4.73:1.
| Hue family | Oranges |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Burnt Orange (#C04E01) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #BB5523 |
| RGB | rgb(187, 85, 35) |
| HSL | hsl(20, 68%, 44%) |
| OKLCH | oklch(57% 0.145 43.8) |
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 #BB5523 | 4.73:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #BB5523 | 4.43:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #BB5523 text on white | 4.73:1 | AA | Lc 72.2 | Content text, not long reading |
| #BB5523 text on black | 4.43:1 | AA large text | Lc -29.5 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#EFD2C6
oklch(88.5% 0.037 43.8)
-
Step 300
300
#E6B49F
oklch(81% 0.065 43.9)
-
Step 400
400
#D78B6A
oklch(70.7% 0.104 44.1)
-
Step 500
500
#CB6B41
oklch(63.1% 0.134 43.3)
-
Step 600
600 (this color)
#BB5523
oklch(57% 0.145 43.8)
-
Step 700
700
#9D410F
oklch(49.2% 0.135 43.9)
-
Step 800
800
#7F3611
oklch(42.7% 0.112 43.9)
-
Step 900
900
#673016
oklch(37.8% 0.088 44.1)
-
Step 950
950
#3C1C0E
oklch(26.9% 0.055 43.5)
#BB5523 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) | #72651C | 0.136 |
| Deuteranopia (no green cones) | #8B7C20 | 0.124 |
| Tritanopia (no blue cones) | #CE3E4B | 0.075 |
| Achromatopsia (no color) | #737373 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB5523
#BB5523
oklch(57% 0.145 43.8)
- #0084A6
#0084A6
oklch(57% 0.107 224.2)
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 #BB5523, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Orange #C04E01 ΔE 0.018
- Burnt Siena #B75203 ΔE 0.018
- Rust Orange #C45508 ΔE 0.020
- Brick Orange #C14A09 ΔE 0.022
- Copper #B66325 ΔE 0.031
- Cinnamon #AC4F06 ΔE 0.036
- Orangey Brown #B16002 ΔE 0.037
- Rusty Orange #CD5909 ΔE 0.038
Use #BB5523 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.