#CB6347
Closest named color: Terracotta (#CA6641). oklch(61.9% 0.139 36.1), rgb(203, 99, 71).
Aa
Black text reads best on this color (5.41:1).
About this color
#CB6347 is a medium-dark, moderately saturated red. In OKLCH its lightness is 62%, its chroma 0.139 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Terracotta (#CA6641), ΔE 0.011 away. Black text reads best on it, at 5.41:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Terracotta (#CA6641) |
| Black text | 5.41:1 |
| White text | 3.87:1 |
Values
| HEX | #CB6347 |
| RGB | rgb(203, 99, 71) |
| HSL | hsl(13, 56%, 54%) |
| OKLCH | oklch(61.9% 0.139 36.1) |
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 #CB6347 | 3.87:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #CB6347 | 5.41:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #CB6347 text on white | 3.87:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #CB6347 text on black | 5.41:1 | AA | Lc -35.9 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F7E6E1
oklch(93.7% 0.02 37)
-
Step 200
200
#F1D1C8
oklch(88.5% 0.038 36.2)
-
Step 300
300
#E9B2A3
oklch(81% 0.068 35.8)
-
Step 400
400
#DB8770
oklch(70.6% 0.109 36.1)
-
Step 500
500 (this color)
#CB6347
oklch(61.9% 0.139 36.1)
-
Step 600
600
#BA4B2D
oklch(55.5% 0.15 36)
-
Step 700
700
#A03B1F
oklch(49% 0.14 36.1)
-
Step 800
800
#82321C
oklch(42.7% 0.116 36.1)
-
Step 900
900
#692D1D
oklch(37.7% 0.09 35.9)
-
Step 950
950
#3E1B12
oklch(27.1% 0.057 35.5)
#CB6347 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) | #7E7344 | 0.137 |
| Deuteranopia (no green cones) | #988A45 | 0.126 |
| Tritanopia (no blue cones) | #DE4F5D | 0.063 |
| Achromatopsia (no color) | #818181 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB6347
#CB6347
oklch(61.9% 0.139 36.1)
- #0096B0
#0096B0
oklch(62% 0.11 215.8)
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 #CB6347, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracotta #CA6641 ΔE 0.011
- Terracota #CB6843 ΔE 0.014
- Terra Cotta #C9643B ΔE 0.014
- Adobe #BD6C48 ΔE 0.030
- Indian Red #CD5C5C ΔE 0.035
- Clay #B66A50 ΔE 0.038
- Dark Coral #CF524E ΔE 0.039
- Pale Red #D9544D ΔE 0.040
Use #CB6347 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.