#DD633B
Closest named color: Terracota (#CB6843). oklch(64.4% 0.163 38.4), rgb(221, 99, 59).
Aa
Black text reads best on this color (5.92:1).
About this color
#DD633B is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.163 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.032 away. Black text reads best on it, at 5.92:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.92:1 |
| White text | 3.54:1 |
Values
| HEX | #DD633B |
| RGB | rgb(221, 99, 59) |
| HSL | hsl(15, 70%, 55%) |
| OKLCH | oklch(64.4% 0.163 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 #DD633B | 3.54:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #DD633B | 5.92:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #DD633B text on white | 3.54:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #DD633B text on black | 5.92:1 | AA | Lc -39.3 | 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)
#DD633B
oklch(64.4% 0.163 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)
#DD633B 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) | #847736 | 0.160 |
| Deuteranopia (no green cones) | #A29238 | 0.146 |
| Tritanopia (no blue cones) | #F2495A | 0.073 |
| Achromatopsia (no color) | #888888 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DD633B
#DD633B
oklch(64.4% 0.163 38.4)
- #009DBC
#009DBC
oklch(64.3% 0.116 218.5)
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 #DD633B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.032
- Terracotta #CA6641 ΔE 0.034
- Chocolate #D2691E ΔE 0.035
- Burnt Sienna #E76F51 ΔE 0.036
- Terra Cotta #C9643B ΔE 0.037
- Pale Red #D9544D ΔE 0.043
- Pastel Red #DB5856 ΔE 0.044
- Deep Orange #DC4D01 ΔE 0.044
Use #DD633B 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.