#D5643B
Closest named color: Terracota (#CB6843). oklch(63.4% 0.153 39.9), rgb(213, 100, 59).
Aa
Black text reads best on this color (5.71:1).
About this color
#D5643B is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.153 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.019 away. Black text reads best on it, at 5.71:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #D5643B |
| RGB | rgb(213, 100, 59) |
| HSL | hsl(16, 65%, 53%) |
| OKLCH | oklch(63.4% 0.153 39.9) |
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 #D5643B | 3.67:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #D5643B | 5.71:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #D5643B text on white | 3.67:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #D5643B text on black | 5.71:1 | AA | Lc -37.9 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F3D1C5
oklch(88.6% 0.042 40.4)
-
Step 300
300
#ECB19C
oklch(81% 0.075 40.5)
-
Step 400
400
#DF8566
oklch(70.6% 0.12 39.7)
-
Step 500
500 (this color)
#D5643B
oklch(63.4% 0.153 39.9)
-
Step 600
600
#C04611
oklch(55.6% 0.167 39.8)
-
Step 700
700
#A53700
oklch(49.2% 0.154 40)
-
Step 800
800
#862E08
oklch(42.7% 0.129 39.7)
-
Step 900
900
#6C2B12
oklch(37.8% 0.1 40.1)
-
Step 950
950
#3F1A0C
oklch(26.9% 0.063 40.6)
#D5643B 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) | #837636 | 0.148 |
| Deuteranopia (no green cones) | #9E8F38 | 0.136 |
| Tritanopia (no blue cones) | #E94C5B | 0.073 |
| Achromatopsia (no color) | #858585 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D5643B
#D5643B
oklch(63.4% 0.153 39.9)
- #009ABA
#009ABA
oklch(63.4% 0.115 219.5)
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 #D5643B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.019
- Terracotta #CA6641 ΔE 0.020
- Terra Cotta #C9643B ΔE 0.022
- Chocolate #D2691E ΔE 0.028
- Rusty Orange #CD5909 ΔE 0.038
- Rust #CA6702 ΔE 0.042
- Pale Red #D9544D ΔE 0.043
- Adobe #BD6C48 ΔE 0.044
Use #D5643B 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.