#DE643C
Closest named color: Burnt Sienna (#E76F51). oklch(64.7% 0.162 38.4), rgb(222, 100, 60).
Aa
Black text reads best on this color (5.99:1).
About this color
#DE643C is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.162 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.033 away. Black text reads best on it, at 5.99:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 5.99:1 |
| White text | 3.50:1 |
Values
| HEX | #DE643C |
| RGB | rgb(222, 100, 60) |
| HSL | hsl(15, 71%, 55%) |
| OKLCH | oklch(64.7% 0.162 38.4) |
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 #DE643C | 3.50:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #DE643C | 5.99:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #DE643C text on white | 3.50:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #DE643C text on black | 5.99:1 | AA | Lc -39.8 | 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
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F4D0C4
oklch(88.5% 0.044 39.3)
-
Step 300
300
#EEAF9B
oklch(80.8% 0.079 38.3)
-
Step 400
400
#E38364
oklch(70.7% 0.127 38.6)
-
Step 500
500 (this color)
#DE643C
oklch(64.7% 0.162 38.4)
-
Step 600
600
#C44008
oklch(55.6% 0.177 38.3)
-
Step 700
700
#A73300
oklch(49% 0.16 38.2)
-
Step 800
800
#892A03
oklch(42.7% 0.136 38.4)
-
Step 900
900
#6E2810
oklch(37.6% 0.106 38.3)
-
Step 950
950
#41180B
oklch(26.9% 0.068 38)
#DE643C 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) | #857837 | 0.160 |
| Deuteranopia (no green cones) | #A39339 | 0.146 |
| Tritanopia (no blue cones) | #F34A5B | 0.073 |
| Achromatopsia (no color) | #898989 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DE643C
#DE643C
oklch(64.7% 0.162 38.4)
- #009EBD
#009EBD
oklch(64.6% 0.116 218.4)
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 #DE643C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.033
- Terracota #CB6843 ΔE 0.034
- Chocolate #D2691E ΔE 0.036
- Terracotta #CA6641 ΔE 0.036
- Terra Cotta #C9643B ΔE 0.039
- Pale Red #D9544D ΔE 0.045
- Pastel Red #DB5856 ΔE 0.045
- Deep Orange #DC4D01 ΔE 0.046
Use #DE643C 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.