#B74515
Closest named color: Sinopia (#BB3E03). oklch(54.1% 0.158 40), rgb(183, 69, 21).
Aa
White text reads best on this color (5.41:1).
About this color
#B74515 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.158 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.013 away. White text reads best on it, at 5.41:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.87:1 |
| White text | 5.41:1 |
Values
| HEX | #B74515 |
| RGB | rgb(183, 69, 21) |
| HSL | hsl(18, 79%, 40%) |
| OKLCH | oklch(54.1% 0.158 40) |
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 #B74515 | 5.41:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #B74515 | 3.87:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #B74515 text on white | 5.41:1 | AA | Lc 76.1 | Fine for body text |
| #B74515 text on black | 3.87:1 | AA large text | Lc -25.6 | 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
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F1D1C6
oklch(88.5% 0.039 39.9)
-
Step 300
300
#EAB29E
oklch(81% 0.071 40.5)
-
Step 400
400
#DD8769
oklch(70.7% 0.114 39.9)
-
Step 500
500
#D1663F
oklch(63.1% 0.146 40.1)
-
Step 600
600 (this color)
#B74515
oklch(54.1% 0.158 40)
-
Step 700
700
#A23A0C
oklch(49.1% 0.147 40)
-
Step 800
800
#843110
oklch(42.8% 0.122 39.7)
-
Step 900
900
#6A2C16
oklch(37.6% 0.095 39.4)
-
Step 950
950
#3E1B0E
oklch(27% 0.059 40.5)
#B74515 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) | #665A0A | 0.156 |
| Deuteranopia (no green cones) | #82730E | 0.141 |
| Tritanopia (no blue cones) | #CA263C | 0.072 |
| Achromatopsia (no color) | #6A6A6A | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B74515
#B74515
oklch(54.1% 0.158 40)
- #007B96
#007B96
oklch(53.9% 0.098 220.3)
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 #B74515, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.013
- Brick Orange #C14A09 ΔE 0.024
- Burnt Orange #C04E01 ΔE 0.029
- Burnt Siena #B75203 ΔE 0.030
- Cinnamon #AC4F06 ΔE 0.030
- Dull Red #BB3F3F ΔE 0.044
- Rusty Red #AF2F0D ΔE 0.044
- Rust Orange #C45508 ΔE 0.046
Use #B74515 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.