#D3643B
Closest named color: Terracota (#CB6843). oklch(63.1% 0.151 40.2), rgb(211, 100, 59).
Aa
Black text reads best on this color (5.65:1).
About this color
#D3643B is a medium-light, vivid orange. In OKLCH its lightness is 63%, its chroma 0.151 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.016 away. Black text reads best on it, at 5.65:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.65:1 |
| White text | 3.71:1 |
Values
| HEX | #D3643B |
| RGB | rgb(211, 100, 59) |
| HSL | hsl(16, 63%, 53%) |
| OKLCH | oklch(63.1% 0.151 40.2) |
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 #D3643B | 3.71:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #D3643B | 5.65:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #D3643B text on white | 3.71:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #D3643B text on black | 5.65:1 | 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
#F7E5DF
oklch(93.5% 0.021 39.4)
-
Step 200
200
#F2D1C5
oklch(88.5% 0.041 41)
-
Step 300
300
#EBB19D
oklch(80.9% 0.074 39.9)
-
Step 400
400
#DF8667
oklch(70.8% 0.118 39.9)
-
Step 500
500 (this color)
#D3643B
oklch(63.1% 0.151 40.2)
-
Step 600
600
#BF4713
oklch(55.6% 0.165 40)
-
Step 700
700
#A43802
oklch(49.1% 0.152 40.3)
-
Step 800
800
#852F0A
oklch(42.6% 0.126 40)
-
Step 900
900
#6B2B13
oklch(37.6% 0.098 39.9)
-
Step 950
950
#3F1A0D
oklch(27% 0.062 39.6)
#D3643B 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) | #827536 | 0.146 |
| Deuteranopia (no green cones) | #9D8E38 | 0.134 |
| Tritanopia (no blue cones) | #E74D5B | 0.073 |
| Achromatopsia (no color) | #858585 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D3643B
#D3643B
oklch(63.1% 0.151 40.2)
- #0099B9
#0099B9
oklch(63.1% 0.115 219.7)
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 #D3643B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.016
- Terracotta #CA6641 ΔE 0.016
- Terra Cotta #C9643B ΔE 0.018
- Chocolate #D2691E ΔE 0.028
- Rusty Orange #CD5909 ΔE 0.036
- Rust #CA6702 ΔE 0.040
- Adobe #BD6C48 ΔE 0.040
- Browny Orange #CA6B02 ΔE 0.044
Use #D3643B 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.