#DD603B
Closest named color: Terracota (#CB6843). oklch(64% 0.165 37.1), rgb(221, 96, 59).
Aa
Black text reads best on this color (5.81:1).
About this color
#DD603B is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.165 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.034 away. Black text reads best on it, at 5.81:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.165) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.81:1 |
| White text | 3.61:1 |
Values
| HEX | #DD603B |
| RGB | rgb(221, 96, 59) |
| HSL | hsl(14, 70%, 55%) |
| OKLCH | oklch(64% 0.165 37.1) |
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 #DD603B | 3.61:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #DD603B | 5.81:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #DD603B text on white | 3.61:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #DD603B text on black | 5.81:1 | AA | Lc -38.7 | 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
#F5D0C5
oklch(88.6% 0.045 37.2)
-
Step 300
300
#EFAF9C
oklch(80.9% 0.08 37.2)
-
Step 400
400
#E58265
oklch(70.8% 0.129 37.2)
-
Step 500
500 (this color)
#DD603B
oklch(64% 0.165 37.1)
-
Step 600
600
#C53E0D
oklch(55.5% 0.179 37)
-
Step 700
700
#A93000
oklch(49.1% 0.164 37)
-
Step 800
800
#8A2805
oklch(42.6% 0.139 36.9)
-
Step 900
900
#6F2711
oklch(37.7% 0.108 37)
-
Step 950
950
#41180C
oklch(26.9% 0.067 37)
#DD603B 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) | #827537 | 0.164 |
| Deuteranopia (no green cones) | #A19137 | 0.151 |
| Tritanopia (no blue cones) | #F24458 | 0.073 |
| Achromatopsia (no color) | #878787 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DD603B
#DD603B
oklch(64% 0.165 37.1)
- #009CB9
#009CB9
oklch(63.9% 0.114 217.2)
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 #DD603B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.034
- Terracotta #CA6641 ΔE 0.035
- Terra Cotta #C9643B ΔE 0.037
- Pale Red #D9544D ΔE 0.037
- Chocolate #D2691E ΔE 0.039
- Pastel Red #DB5856 ΔE 0.039
- Deep Orange #DC4D01 ΔE 0.040
- Burnt Sienna #E76F51 ΔE 0.040
Use #DD603B 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.