#B1634F
Closest named color: Clay (#B66A50). oklch(58.4% 0.106 35.3), rgb(177, 99, 79).
Aa
Black text reads best on this color (4.76:1).
About this color
#B1634F is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.106 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.020 away. Black text reads best on it, at 4.76:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.76:1 |
| White text | 4.40:1 |
Values
| HEX | #B1634F |
| RGB | rgb(177, 99, 79) |
| HSL | hsl(12, 39%, 50%) |
| OKLCH | oklch(58.4% 0.106 35.3) |
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 #B1634F | 4.40:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #B1634F | 4.76:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #B1634F text on white | 4.40:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #B1634F text on black | 4.76:1 | AA | Lc -31.4 | Non-text elements, placeholder text |
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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E4
oklch(93.7% 0.014 34.3)
-
Step 200
200
#EAD3CD
oklch(88.4% 0.027 35)
-
Step 300
300
#DDB6AC
oklch(80.8% 0.048 34.7)
-
Step 400
400
#CB9080
oklch(70.7% 0.076 35.8)
-
Step 500
500
#BC7360
oklch(63% 0.097 35.4)
-
Step 600
600 (this color)
#B1634F
oklch(58.4% 0.106 35.3)
-
Step 700
700
#904A38
oklch(49.1% 0.099 35.4)
-
Step 800
800
#753D2F
oklch(42.7% 0.082 35)
-
Step 900
900
#5F352A
oklch(37.9% 0.064 35.5)
-
Step 950
950
#381F19
oklch(27.1% 0.041 34.3)
#B1634F 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) | #766E4D | 0.104 |
| Deuteranopia (no green cones) | #897F4E | 0.097 |
| Tritanopia (no blue cones) | #C0565E | 0.048 |
| Achromatopsia (no color) | #787878 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1634F
#B1634F
oklch(58.4% 0.106 35.3)
- #008AA2
#008AA2
oklch(58.3% 0.103 215.7)
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 #B1634F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.020
- Adobe #BD6C48 ΔE 0.036
- Earth #A2653E ΔE 0.037
- Pinkish Brown #B17261 ΔE 0.037
- Copper #B66325 ΔE 0.043
- Clay Brown #B2713D ΔE 0.047
- Terra Cotta #C9643B ΔE 0.049
- Terracotta #CA6641 ΔE 0.050
Use #B1634F 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.