#D5531F
Closest named color: Deep Orange (#DC4D01). oklch(60.7% 0.175 39.7), rgb(213, 83, 31).
Aa
Black text reads best on this color (5.08:1).
About this color
#D5531F is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.175 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.016 away. Black text reads best on it, at 5.08:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.08:1 |
| White text | 4.12:1 |
Values
| HEX | #D5531F |
| RGB | rgb(213, 83, 31) |
| HSL | hsl(17, 75%, 48%) |
| OKLCH | oklch(60.7% 0.175 39.7) |
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 #D5531F | 4.12:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #D5531F | 5.08:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #D5531F text on white | 4.12:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #D5531F text on black | 5.08:1 | AA | Lc -34.2 | 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
#FAE5DE
oklch(93.7% 0.025 39.4)
-
Step 200
200
#F6CFC2
oklch(88.4% 0.048 39.3)
-
Step 300
300
#F1AE97
oklch(80.8% 0.085 39.7)
-
Step 400
400
#E7805C
oklch(70.6% 0.137 39.8)
-
Step 500
500 (this color)
#D5531F
oklch(60.7% 0.175 39.7)
-
Step 600
600
#C34200
oklch(55.6% 0.175 39.8)
-
Step 700
700
#A53600
oklch(49% 0.155 39.6)
-
Step 800
800
#882B00
oklch(42.6% 0.135 39.6)
-
Step 900
900
#712505
oklch(37.7% 0.114 39.6)
-
Step 950
950
#431707
oklch(27.1% 0.073 39.5)
#D5531F 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) | #796A15 | 0.172 |
| Deuteranopia (no green cones) | #988818 | 0.158 |
| Tritanopia (no blue cones) | #EA3149 | 0.079 |
| Achromatopsia (no color) | #7D7D7D | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D5531F
#D5531F
oklch(60.7% 0.175 39.7)
- #0091B0
#0091B0
oklch(60.7% 0.111 220)
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 #D5531F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.016
- Rusty Orange #CD5909 ΔE 0.022
- Rust Orange #C45508 ΔE 0.035
- Terra Cotta #C9643B ΔE 0.037
- Terracotta #CA6641 ΔE 0.040
- Pale Red #D9544D ΔE 0.043
- Terracota #CB6843 ΔE 0.044
- Chocolate #D2691E ΔE 0.045
Use #D5531F 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.