#CF5F03
Closest named color: Rusty Orange (#CD5909). oklch(61.4% 0.164 49), rgb(207, 95, 3).
Aa
Black text reads best on this color (5.29:1).
About this color
#CF5F03 is a medium-dark, vivid orange. In OKLCH its lightness is 61%, its chroma 0.164 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.014 away. Black text reads best on it, at 5.29:1.
| Hue family | Oranges |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #CF5F03 |
| RGB | rgb(207, 95, 3) |
| HSL | hsl(27, 97%, 41%) |
| OKLCH | oklch(61.4% 0.164 49) |
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 #CF5F03 | 3.96:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #CF5F03 | 5.29:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #CF5F03 text on white | 3.96:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #CF5F03 text on black | 5.29:1 | 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
#FCF4EF
oklch(97.2% 0.011 54.5)
-
Step 100
100
#F8E6DD
oklch(93.7% 0.023 48.5)
-
Step 200
200
#F3D1C0
oklch(88.5% 0.045 48.2)
-
Step 300
300
#ECB293
oklch(80.9% 0.08 49.3)
-
Step 400
400
#E08754
oklch(70.8% 0.128 49.4)
-
Step 500
500 (this color)
#CF5F03
oklch(61.4% 0.164 49)
-
Step 600
600
#B65200
oklch(55.7% 0.149 48.9)
-
Step 700
700
#994400
oklch(49% 0.131 49)
-
Step 800
800
#7F3700
oklch(42.8% 0.115 48.9)
-
Step 900
900
#6A2D00
oklch(37.6% 0.101 49.1)
-
Step 950
950
#401A03
oklch(27% 0.068 48.5)
#CF5F03 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) | #807000 | 0.144 |
| Deuteranopia (no green cones) | #9B8900 | 0.131 |
| Tritanopia (no blue cones) | #E44451 | 0.094 |
| Achromatopsia (no color) | #808080 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF5F03
#CF5F03
oklch(61.4% 0.164 49)
- #0091BE
#0091BE
oklch(61.4% 0.121 229.1)
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 #CF5F03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.014
- Rust #CA6702 ΔE 0.019
- Chocolate #D2691E ΔE 0.023
- Browny Orange #CA6B02 ΔE 0.027
- Terra Cotta #C9643B ΔE 0.030
- Rust Orange #C45508 ΔE 0.032
- Orange Brown #BE6400 ΔE 0.032
- Terracotta #CA6641 ΔE 0.035
Use #CF5F03 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.