#B5490F
Closest named color: Sinopia (#BB3E03). oklch(54.2% 0.154 43), rgb(181, 73, 15).
Aa
White text reads best on this color (5.35:1).
About this color
#B5490F is a medium-dark, vivid orange. In OKLCH its lightness is 54%, its chroma 0.154 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.021 away. White text reads best on it, at 5.35:1.
| Hue family | Oranges |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #B5490F |
| RGB | rgb(181, 73, 15) |
| HSL | hsl(21, 85%, 38%) |
| OKLCH | oklch(54.2% 0.154 43) |
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 #B5490F | 5.35:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #B5490F | 3.92:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #B5490F text on white | 5.35:1 | AA | Lc 75.8 | Fine for body text |
| #B5490F text on black | 3.92:1 | AA large text | Lc -25.9 | 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
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F0D2C5
oklch(88.5% 0.038 44.8)
-
Step 300
300
#E8B39D
oklch(80.9% 0.069 43.6)
-
Step 400
400
#DA8967
oklch(70.7% 0.11 43.4)
-
Step 500
500
#CE693C
oklch(63.1% 0.141 43.4)
-
Step 600
600 (this color)
#B5490F
oklch(54.2% 0.154 43)
-
Step 700
700
#A03D05
oklch(49.1% 0.143 42.7)
-
Step 800
800
#82330B
oklch(42.7% 0.119 42.7)
-
Step 900
900
#682E14
oklch(37.6% 0.091 42.9)
-
Step 950
950
#3D1C0D
oklch(27% 0.057 44)
#B5490F 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) | #685B00 | 0.148 |
| Deuteranopia (no green cones) | #837407 | 0.133 |
| Tritanopia (no blue cones) | #C72D3F | 0.076 |
| Achromatopsia (no color) | #6B6B6B | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5490F
#B5490F
oklch(54.2% 0.154 43)
- #007B9A
#007B9A
oklch(54.1% 0.101 223.5)
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 #B5490F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.021
- Cinnamon #AC4F06 ΔE 0.021
- Burnt Siena #B75203 ΔE 0.021
- Brick Orange #C14A09 ΔE 0.024
- Burnt Orange #C04E01 ΔE 0.026
- Rust Orange #C45508 ΔE 0.042
- Sienna #A0522D ΔE 0.042
- Burnt Umber #A0450E ΔE 0.044
Use #B5490F 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.