#B3665B
Closest named color: Clay (#B66A50). oklch(59.5% 0.101 29), rgb(179, 102, 91).
Aa
Black text reads best on this color (4.96:1).
About this color
#B3665B is a medium-dark, moderately saturated red. In OKLCH its lightness is 59%, its chroma 0.101 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.021 away. Black text reads best on it, at 4.96:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.96:1 |
| White text | 4.22:1 |
Values
| HEX | #B3665B |
| RGB | rgb(179, 102, 91) |
| HSL | hsl(8, 37%, 53%) |
| OKLCH | oklch(59.5% 0.101 29) |
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 #B3665B | 4.22:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #B3665B | 4.96:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #B3665B text on white | 4.22:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #B3665B text on black | 4.96:1 | AA | Lc -32.8 | 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 500.
-
Step 50
50
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E4
oklch(93.7% 0.014 34.3)
-
Step 200
200
#EBD3CF
oklch(88.6% 0.027 29)
-
Step 300
300
#DFB5AE
oklch(80.8% 0.05 29.2)
-
Step 400
400
#CD8E84
oklch(70.6% 0.079 29.2)
-
Step 500
500 (this color)
#B3665B
oklch(59.5% 0.101 29)
-
Step 600
600
#AA584D
oklch(55.6% 0.11 29)
-
Step 700
700
#92483E
oklch(49.2% 0.102 29.2)
-
Step 800
800
#773B33
oklch(42.7% 0.086 29)
-
Step 900
900
#60332D
oklch(37.7% 0.066 28.6)
-
Step 950
950
#381E1A
oklch(26.9% 0.042 29.5)
#B3665B 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) | #78715A | 0.102 |
| Deuteranopia (no green cones) | #8A815A | 0.096 |
| Tritanopia (no blue cones) | #C25B63 | 0.039 |
| Achromatopsia (no color) | #7B7B7B | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3665B
#B3665B
oklch(59.5% 0.101 29)
- #088F9F
#088F9F
oklch(59.5% 0.101 208.8)
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 #B3665B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.021
- Pinkish Brown #B17261 ΔE 0.028
- Dusky Rose #BA6873 ΔE 0.036
- Adobe #BD6C48 ΔE 0.037
- Earth #A2653E ΔE 0.050
- Indian Red #CD5C5C ΔE 0.050
- Terracotta #CA6641 ΔE 0.051
- Terra Cotta #C9643B ΔE 0.052
Use #B3665B 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.