#DE603A
Closest named color: Terracota (#CB6843). oklch(64.1% 0.167 37.3), rgb(222, 96, 58).
Aa
Black text reads best on this color (5.84:1).
About this color
#DE603A is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.167 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Terracota (#CB6843), ΔE 0.035 away. Black text reads best on it, at 5.84:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.167) |
| Temperature | warm |
| Nearest name | Terracota (#CB6843) |
| Black text | 5.84:1 |
| White text | 3.59:1 |
Values
| HEX | #DE603A |
| RGB | rgb(222, 96, 58) |
| HSL | hsl(14, 71%, 55%) |
| OKLCH | oklch(64.1% 0.167 37.3) |
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 #DE603A | 3.59:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #DE603A | 5.84:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #DE603A text on white | 3.59:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #DE603A text on black | 5.84:1 | AA | Lc -38.9 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F5D0C4
oklch(88.6% 0.045 38.8)
-
Step 300
300
#F0AF9B
oklch(81% 0.082 37.8)
-
Step 400
400
#E58164
oklch(70.6% 0.131 37)
-
Step 500
500 (this color)
#DE603A
oklch(64.1% 0.167 37.3)
-
Step 600
600
#C63D08
oklch(55.6% 0.181 37.1)
-
Step 700
700
#A93100
oklch(49.2% 0.163 37.3)
-
Step 800
800
#8B2803
oklch(42.8% 0.14 37.2)
-
Step 900
900
#6F2710
oklch(37.7% 0.108 37.5)
-
Step 950
950
#42180B
oklch(27.1% 0.069 37.6)
#DE603A 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) | #837635 | 0.165 |
| Deuteranopia (no green cones) | #A29136 | 0.150 |
| Tritanopia (no blue cones) | #F44458 | 0.074 |
| Achromatopsia (no color) | #878787 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DE603A
#DE603A
oklch(64.1% 0.167 37.3)
- #009DBA
#009DBA
oklch(64.2% 0.115 217.1)
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 #DE603A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracota #CB6843 ΔE 0.035
- Terracotta #CA6641 ΔE 0.036
- Terra Cotta #C9643B ΔE 0.038
- Pale Red #D9544D ΔE 0.039
- Chocolate #D2691E ΔE 0.039
- Burnt Sienna #E76F51 ΔE 0.039
- Deep Orange #DC4D01 ΔE 0.040
- Pastel Red #DB5856 ΔE 0.040
Use #DE603A 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.