#B34613
Closest named color: Sinopia (#BB3E03). oklch(53.5% 0.153 41.4), rgb(179, 70, 19).
Aa
White text reads best on this color (5.52:1).
About this color
#B34613 is a medium-dark, vivid orange. In OKLCH its lightness is 54%, its chroma 0.153 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 5.52:1.
| Hue family | Oranges |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.80:1 |
| White text | 5.52:1 |
Values
| HEX | #B34613 |
| RGB | rgb(179, 70, 19) |
| HSL | hsl(19, 81%, 39%) |
| OKLCH | oklch(53.5% 0.153 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 #B34613 | 5.52:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #B34613 | 3.80:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #B34613 text on white | 5.52:1 | AA | Lc 76.7 | Fine for body text |
| #B34613 text on black | 3.80:1 | AA large text | Lc -25.0 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F0D1C6
oklch(88.4% 0.038 40.5)
-
Step 300
300
#E8B29E
oklch(80.8% 0.069 41.3)
-
Step 400
400
#DB8869
oklch(70.7% 0.111 41.2)
-
Step 500
500
#CF6840
oklch(63.2% 0.141 41.2)
-
Step 600
600 (this color)
#B34613
oklch(53.5% 0.153 41.4)
-
Step 700
700
#A03D0D
oklch(49.2% 0.142 41.5)
-
Step 800
800
#823310
oklch(42.7% 0.118 41.4)
-
Step 900
900
#692E16
oklch(37.8% 0.092 41.5)
-
Step 950
950
#3E1B0E
oklch(27% 0.059 40.5)
#B34613 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) | #665907 | 0.149 |
| Deuteranopia (no green cones) | #80720C | 0.136 |
| Tritanopia (no blue cones) | #C5293D | 0.073 |
| Achromatopsia (no color) | #696969 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B34613
#B34613
oklch(53.5% 0.153 41.4)
- #007A96
#007A96
oklch(53.7% 0.099 221.3)
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 #B34613, 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 0.024
- Burnt Siena #B75203 ΔE 0.030
- Brick Orange #C14A09 ΔE 0.030
- Burnt Orange #C04E01 ΔE 0.034
- Burnt Umber #A0450E ΔE 0.038
- Sienna #A0522D ΔE 0.040
- Rusty Red #AF2F0D ΔE 0.043
Use #B34613 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.