#D16637
Closest named color: Terracota (#CB6843). oklch(63% 0.148 42.8), rgb(209, 102, 55).
Aa
Black text reads best on this color (5.66:1).
About this color
#D16637 is a medium-light, vivid orange. In OKLCH its lightness is 63%, its chroma 0.148 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.014 away. Black text reads best on it, at 5.66:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #D16637 |
| RGB | rgb(209, 102, 55) |
| HSL | hsl(18, 63%, 52%) |
| OKLCH | oklch(63% 0.148 42.8) |
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 #D16637 | 3.70:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #D16637 | 5.66:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #D16637 text on white | 3.70:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #D16637 text on black | 5.66:1 | AA | Lc -37.6 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C4
oklch(88.4% 0.04 43.4)
-
Step 300
300
#EAB29C
oklch(80.9% 0.072 42.4)
-
Step 400
400
#DD8764
oklch(70.6% 0.117 42.7)
-
Step 500
500 (this color)
#D16637
oklch(63% 0.148 42.8)
-
Step 600
600
#BD4A09
oklch(55.6% 0.162 42.8)
-
Step 700
700
#A13C00
oklch(49.1% 0.146 42.8)
-
Step 800
800
#843104
oklch(42.7% 0.124 42.6)
-
Step 900
900
#6A2D10
oklch(37.7% 0.096 43.3)
-
Step 950
950
#3E1B0B
oklch(27% 0.061 43.8)
#D16637 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) | #847632 | 0.138 |
| Deuteranopia (no green cones) | #9E8E35 | 0.127 |
| Tritanopia (no blue cones) | #E5505C | 0.076 |
| Achromatopsia (no color) | #858585 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D16637
#D16637
oklch(63% 0.148 42.8)
- #0098BC
#0098BC
oklch(63% 0.117 222.5)
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 #D16637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.014
- Terracotta #CA6641 ΔE 0.015
- Terra Cotta #C9643B ΔE 0.017
- Chocolate #D2691E ΔE 0.021
- Rust #CA6702 ΔE 0.033
- Rusty Orange #CD5909 ΔE 0.034
- Browny Orange #CA6B02 ΔE 0.036
- Adobe #BD6C48 ΔE 0.037
Use #D16637 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.