#B24104
Closest named color: Sinopia (#BB3E03). oklch(52.6% 0.159 41.4), rgb(178, 65, 4).
Aa
White text reads best on this color (5.75:1).
About this color
#B24104 is a medium-dark, vivid orange. In OKLCH its lightness is 53%, its chroma 0.159 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.018 away. White text reads best on it, at 5.75:1.
| Hue family | Oranges |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.65:1 |
| White text | 5.75:1 |
Values
| HEX | #B24104 |
| RGB | rgb(178, 65, 4) |
| HSL | hsl(21, 96%, 36%) |
| OKLCH | oklch(52.6% 0.159 41.4) |
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 #B24104 | 5.75:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #B24104 | 3.65:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #B24104 text on white | 5.75:1 | AA | Lc 77.8 | Fine for body text |
| #B24104 text on black | 3.65:1 | AA large text | Lc -24.0 | 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
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C5
oklch(88.4% 0.04 41.7)
-
Step 300
300
#EAB29D
oklch(81% 0.072 41.5)
-
Step 400
400
#DC8767
oklch(70.6% 0.114 41.3)
-
Step 500
500
#D1663C
oklch(63.1% 0.147 41.2)
-
Step 600
600 (this color)
#B24104
oklch(52.6% 0.159 41.4)
-
Step 700
700
#A23B04
oklch(49.2% 0.147 41.6)
-
Step 800
800
#83310B
oklch(42.6% 0.122 41.3)
-
Step 900
900
#6A2D13
oklch(37.8% 0.095 41.9)
-
Step 950
950
#3E1B0D
oklch(27% 0.06 41.7)
#B24104 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) | #625600 | 0.155 |
| Deuteranopia (no green cones) | #7E6F00 | 0.139 |
| Tritanopia (no blue cones) | #C42038 | 0.074 |
| Achromatopsia (no color) | #666666 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B24104
#B24104
oklch(52.6% 0.159 41.4)
- #007792
#007792
oklch(52.7% 0.097 220.9)
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 #B24104, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.018
- Cinnamon #AC4F06 ΔE 0.029
- Rusty Red #AF2F0D ΔE 0.034
- Burnt Umber #A0450E ΔE 0.035
- Brick Orange #C14A09 ΔE 0.037
- Burnt Siena #B75203 ΔE 0.038
- Russet #A13905 ΔE 0.040
- Burnt Orange #C04E01 ΔE 0.041
Use #B24104 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.