#CD5837
Closest named color: Terra Cotta (#C9643B). oklch(60.4% 0.156 36.5), rgb(205, 88, 55).
Aa
Black text reads best on this color (5.04:1).
About this color
#CD5837 is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.156 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.025 away. Black text reads best on it, at 5.04:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #CD5837 |
| RGB | rgb(205, 88, 55) |
| HSL | hsl(13, 60%, 51%) |
| OKLCH | oklch(60.4% 0.156 36.5) |
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 #CD5837 | 4.16:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #CD5837 | 5.04:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #CD5837 text on white | 4.16:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #CD5837 text on black | 5.04:1 | AA | Lc -33.7 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F4D0C6
oklch(88.5% 0.043 36)
-
Step 300
300
#EDB09E
oklch(80.9% 0.076 37.1)
-
Step 400
400
#E28369
oklch(70.7% 0.123 36.2)
-
Step 500
500 (this color)
#CD5837
oklch(60.4% 0.156 36.5)
-
Step 600
600
#C2431C
oklch(55.7% 0.17 36.6)
-
Step 700
700
#A7330D
oklch(49.1% 0.158 36.4)
-
Step 800
800
#882C10
oklch(42.8% 0.131 36.5)
-
Step 900
900
#6D2916
oklch(37.7% 0.102 36.3)
-
Step 950
950
#40190E
oklch(27% 0.064 36.6)
#CD5837 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) | #786C33 | 0.156 |
| Deuteranopia (no green cones) | #958634 | 0.143 |
| Tritanopia (no blue cones) | #E13E51 | 0.068 |
| Achromatopsia (no color) | #7C7C7C | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD5837
#CD5837
oklch(60.4% 0.156 36.5)
- #0091AB
#0091AB
oklch(60.5% 0.108 216.4)
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 #CD5837, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.025
- Terracotta #CA6641 ΔE 0.028
- Rusty Orange #CD5909 ΔE 0.029
- Dark Coral #CF524E ΔE 0.032
- Terracota #CB6843 ΔE 0.032
- Rust Orange #C45508 ΔE 0.035
- Pale Red #D9544D ΔE 0.036
- Deep Orange #DC4D01 ΔE 0.036
Use #CD5837 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.