#DD644C
Closest named color: Burnt Sienna (#E76F51). oklch(64.7% 0.157 32.9), rgb(221, 100, 76).
Aa
Black text reads best on this color (6.00:1).
About this color
#DD644C is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.157 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.032 away. Black text reads best on it, at 6.00:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.00:1 |
| White text | 3.49:1 |
Values
| HEX | #DD644C |
| RGB | rgb(221, 100, 76) |
| HSL | hsl(10, 68%, 58%) |
| OKLCH | oklch(64.7% 0.157 32.9) |
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 #DD644C | 3.49:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #DD644C | 6.00:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #DD644C text on white | 3.49:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #DD644C text on black | 6.00:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F4D0C7
oklch(88.6% 0.043 34.3)
-
Step 300
300
#EEAFA1
oklch(80.9% 0.077 32.9)
-
Step 400
400
#E2826E
oklch(70.6% 0.123 32.7)
-
Step 500
500 (this color)
#DD644C
oklch(64.7% 0.157 32.9)
-
Step 600
600
#C34128
oklch(55.7% 0.17 32.9)
-
Step 700
700
#A8311A
oklch(49.1% 0.159 32.9)
-
Step 800
800
#882A19
oklch(42.6% 0.131 32.5)
-
Step 900
900
#6E281B
oklch(37.8% 0.103 32.5)
-
Step 950
950
#411810
oklch(27% 0.066 32.7)
#DD644C 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) | #847949 | 0.159 |
| Deuteranopia (no green cones) | #A19349 | 0.147 |
| Tritanopia (no blue cones) | #F24C5F | 0.063 |
| Achromatopsia (no color) | #898989 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DD644C
#DD644C
oklch(64.7% 0.157 32.9)
- #00A0B7
#00A0B7
oklch(64.8% 0.113 212.5)
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 #DD644C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.032
- Pastel Red #DB5856 ΔE 0.032
- Pale Red #D9544D ΔE 0.035
- Terracota #CB6843 ΔE 0.036
- Terracotta #CA6641 ΔE 0.038
- Terra Cotta #C9643B ΔE 0.042
- Indian Red #CD5C5C ΔE 0.044
- Chocolate #D2691E ΔE 0.049
Use #DD644C 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.