#D9581F
Closest named color: Deep Orange (#DC4D01). oklch(62% 0.175 41.1), rgb(217, 88, 31).
Aa
Black text reads best on this color (5.36:1).
About this color
#D9581F is a medium-light, vivid orange. In OKLCH its lightness is 62%, its chroma 0.175 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.019 away. Black text reads best on it, at 5.36:1.
| Hue family | Oranges |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #D9581F |
| RGB | rgb(217, 88, 31) |
| HSL | hsl(18, 75%, 49%) |
| OKLCH | oklch(62% 0.175 41.1) |
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 #D9581F | 3.91:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #D9581F | 5.36:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #D9581F text on white | 3.91:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #D9581F text on black | 5.36:1 | AA | Lc -36.0 | 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
#F9E5DD
oklch(93.6% 0.025 43.2)
-
Step 200
200
#F6CFC1
oklch(88.4% 0.048 40.7)
-
Step 300
300
#F1AF96
oklch(81% 0.085 41.6)
-
Step 400
400
#E7815A
oklch(70.7% 0.137 41.3)
-
Step 500
500 (this color)
#D9581F
oklch(62% 0.175 41.1)
-
Step 600
600
#C14500
oklch(55.6% 0.171 41.1)
-
Step 700
700
#A33900
oklch(49.1% 0.151 41.1)
-
Step 800
800
#872E00
oklch(42.8% 0.131 41.2)
-
Step 900
900
#712602
oklch(37.8% 0.114 41.1)
-
Step 950
950
#421706
oklch(26.9% 0.072 40.8)
#D9581F 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) | #7D6F14 | 0.171 |
| Deuteranopia (no green cones) | #9D8C18 | 0.155 |
| Tritanopia (no blue cones) | #EF374D | 0.083 |
| Achromatopsia (no color) | #818181 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D9581F
#D9581F
oklch(62% 0.175 41.1)
- #0095B6
#0095B6
oklch(62% 0.114 220.9)
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 #D9581F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.019
- Rusty Orange #CD5909 ΔE 0.025
- Terra Cotta #C9643B ΔE 0.035
- Chocolate #D2691E ΔE 0.036
- Terracotta #CA6641 ΔE 0.038
- Terracota #CB6843 ΔE 0.039
- Rust Orange #C45508 ΔE 0.043
- Rust #CA6702 ΔE 0.044
Use #D9581F 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.