#DF5731
Closest named color: Deep Orange (#DC4D01). oklch(63% 0.178 36.2), rgb(223, 87, 49).
Aa
Black text reads best on this color (5.54:1).
About this color
#DF5731 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.178 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.026 away. Black text reads best on it, at 5.54:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.178) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #DF5731 |
| RGB | rgb(223, 87, 49) |
| HSL | hsl(13, 73%, 53%) |
| OKLCH | oklch(63% 0.178 36.2) |
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 #DF5731 | 3.78:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #DF5731 | 5.54:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #DF5731 text on white | 3.78:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #DF5731 text on black | 5.54:1 | AA | Lc -37.2 | 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
#FAE4DE
oklch(93.5% 0.026 35.7)
-
Step 200
200
#F7CFC3
oklch(88.5% 0.048 37.3)
-
Step 300
300
#F3AD9A
oklch(80.9% 0.087 35.8)
-
Step 400
400
#E97E61
oklch(70.6% 0.139 36.1)
-
Step 500
500 (this color)
#DF5731
oklch(63% 0.178 36.2)
-
Step 600
600
#CA3800
oklch(55.7% 0.19 36.2)
-
Step 700
700
#AA2E00
oklch(49% 0.167 36.3)
-
Step 800
800
#8D2400
oklch(42.7% 0.146 36.1)
-
Step 900
900
#72230C
oklch(37.6% 0.116 36.1)
-
Step 950
950
#43160A
oklch(26.9% 0.073 35.8)
#DF5731 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) | #7D702C | 0.180 |
| Deuteranopia (no green cones) | #9F8E2C | 0.163 |
| Tritanopia (no blue cones) | #F5354F | 0.074 |
| Achromatopsia (no color) | #838383 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DF5731
#DF5731
oklch(63% 0.178 36.2)
- #0099B4
#0099B4
oklch(62.9% 0.112 216.2)
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 #DF5731, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.026
- Pale Red #D9544D ΔE 0.033
- Pastel Red #DB5856 ΔE 0.039
- Rusty Orange #CD5909 ΔE 0.043
- Terra Cotta #C9643B ΔE 0.043
- Terracotta #CA6641 ΔE 0.043
- Terracota #CB6843 ΔE 0.044
- Dark Coral #CF524E ΔE 0.047
Use #DF5731 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.