#CF5F17
Closest named color: Rusty Orange (#CD5909). oklch(61.4% 0.161 47), rgb(207, 95, 23).
Aa
Black text reads best on this color (5.30:1).
About this color
#CF5F17 is a medium-dark, vivid orange. In OKLCH its lightness is 61%, its chroma 0.161 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.013 away. Black text reads best on it, at 5.30:1.
| Hue family | Oranges |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.161) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.30:1 |
| White text | 3.96:1 |
Values
| HEX | #CF5F17 |
| RGB | rgb(207, 95, 23) |
| HSL | hsl(23, 80%, 45%) |
| OKLCH | oklch(61.4% 0.161 47) |
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 #CF5F17 | 3.96:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #CF5F17 | 5.30:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #CF5F17 text on white | 3.96:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #CF5F17 text on black | 5.30:1 | AA | Lc -35.4 | 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
#F8E6DD
oklch(93.7% 0.023 48.5)
-
Step 200
200
#F3D1C1
oklch(88.5% 0.044 46.7)
-
Step 300
300
#ECB295
oklch(81% 0.079 47.7)
-
Step 400
400
#E08659
oklch(70.7% 0.126 46.6)
-
Step 500
500 (this color)
#CF5F17
oklch(61.4% 0.161 47)
-
Step 600
600
#B84F00
oklch(55.5% 0.154 46.9)
-
Step 700
700
#9C4200
oklch(49.2% 0.136 47)
-
Step 800
800
#803500
oklch(42.6% 0.118 47.1)
-
Step 900
900
#6C2B00
oklch(37.6% 0.105 46.7)
-
Step 950
950
#401A05
oklch(27% 0.067 46.7)
#CF5F17 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) | #7F7004 | 0.148 |
| Deuteranopia (no green cones) | #9B8912 | 0.131 |
| Tritanopia (no blue cones) | #E44552 | 0.088 |
| Achromatopsia (no color) | #808080 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF5F17
#CF5F17
oklch(61.4% 0.161 47)
- #0092BB
#0092BB
oklch(61.5% 0.118 226.5)
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 #CF5F17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.013
- Rust #CA6702 ΔE 0.022
- Chocolate #D2691E ΔE 0.023
- Terra Cotta #C9643B ΔE 0.025
- Browny Orange #CA6B02 ΔE 0.030
- Terracotta #CA6641 ΔE 0.030
- Rust Orange #C45508 ΔE 0.032
- Terracota #CB6843 ΔE 0.032
Use #CF5F17 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.