#DD5121
Closest named color: Deep Orange (#DC4D01). oklch(61.8% 0.184 37.8), rgb(221, 81, 33).
Aa
Black text reads best on this color (5.27:1).
About this color
#DD5121 is a medium-dark, vivid red. In OKLCH its lightness is 62%, its chroma 0.184 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.012 away. Black text reads best on it, at 5.27:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Values
| HEX | #DD5121 |
| RGB | rgb(221, 81, 33) |
| HSL | hsl(15, 74%, 50%) |
| OKLCH | oklch(61.8% 0.184 37.8) |
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 #DD5121 | 3.98:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #DD5121 | 5.27:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #DD5121 text on white | 3.98:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #DD5121 text on black | 5.27:1 | AA | Lc -35.5 | 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
#FBE4DE
oklch(93.6% 0.027 35)
-
Step 200
200
#F8CEC2
oklch(88.4% 0.05 36.5)
-
Step 300
300
#F4AD97
oklch(81% 0.09 37.9)
-
Step 400
400
#EB7D5B
oklch(70.7% 0.144 37.9)
-
Step 500
500 (this color)
#DD5121
oklch(61.8% 0.184 37.8)
-
Step 600
600
#C73D00
oklch(55.7% 0.183 37.8)
-
Step 700
700
#A83200
oklch(49.1% 0.162 37.8)
-
Step 800
800
#8B2800
oklch(42.8% 0.14 37.9)
-
Step 900
900
#732204
oklch(37.6% 0.12 37.8)
-
Step 950
950
#441507
oklch(26.9% 0.076 37)
#DD5121 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) | #7A6C18 | 0.185 |
| Deuteranopia (no green cones) | #9C8B19 | 0.168 |
| Tritanopia (no blue cones) | #F32948 | 0.078 |
| Achromatopsia (no color) | #7F7F7F | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DD5121
#DD5121
oklch(61.8% 0.184 37.8)
- #0095B1
#0095B1
oklch(61.8% 0.111 217.4)
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 #DD5121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.012
- Rusty Orange #CD5909 ΔE 0.036
- Pale Red #D9544D ΔE 0.039
- Terra Cotta #C9643B ΔE 0.046
- Pastel Red #DB5856 ΔE 0.048
- Terracotta #CA6641 ΔE 0.048
- Dark Coral #CF524E ΔE 0.048
- Tomato Red #EC2D01 ΔE 0.048
Use #DD5121 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.