#CF582A
Closest named color: Rusty Orange (#CD5909). oklch(60.6% 0.162 40.1), rgb(207, 88, 42).
Aa
Black text reads best on this color (5.08:1).
About this color
#CF582A is a medium-dark, vivid orange. In OKLCH its lightness is 61%, its chroma 0.162 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.018 away. Black text reads best on it, at 5.08:1.
| Hue family | Oranges |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.08:1 |
| White text | 4.13:1 |
Values
| HEX | #CF582A |
| RGB | rgb(207, 88, 42) |
| HSL | hsl(17, 66%, 49%) |
| OKLCH | oklch(60.6% 0.162 40.1) |
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 #CF582A | 4.13:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #CF582A | 5.08:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #CF582A text on white | 4.13:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #CF582A text on black | 5.08:1 | AA | Lc -34.0 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F4D0C4
oklch(88.5% 0.044 39.3)
-
Step 300
300
#EEB09A
oklch(80.9% 0.079 40.4)
-
Step 400
400
#E38362
oklch(70.7% 0.127 39.6)
-
Step 500
500 (this color)
#CF582A
oklch(60.6% 0.162 40.1)
-
Step 600
600
#C34300
oklch(55.7% 0.174 40.1)
-
Step 700
700
#A53700
oklch(49.2% 0.154 40)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900
#6E290D
oklch(37.8% 0.105 40.3)
-
Step 950
950
#41190A
oklch(27.1% 0.067 40.2)
#CF582A 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) | #7A6C24 | 0.157 |
| Deuteranopia (no green cones) | #978726 | 0.144 |
| Tritanopia (no blue cones) | #E33C4F | 0.076 |
| Achromatopsia (no color) | #7D7D7D | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF582A
#CF582A
oklch(60.6% 0.162 40.1)
- #0090AF
#0090AF
oklch(60.4% 0.11 220.2)
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 #CF582A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.018
- Terra Cotta #C9643B ΔE 0.025
- Deep Orange #DC4D01 ΔE 0.029
- Rust Orange #C45508 ΔE 0.029
- Terracotta #CA6641 ΔE 0.029
- Terracota #CB6843 ΔE 0.033
- Chocolate #D2691E ΔE 0.041
- Burnt Orange #C04E01 ΔE 0.041
Use #CF582A 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.