#CF5107
Closest named color: Rusty Orange (#CD5909). oklch(59.4% 0.174 42.8), rgb(207, 81, 7).
Aa
Black text reads best on this color (4.83:1).
About this color
#CF5107 is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.174 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.015 away. Black text reads best on it, at 4.83:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 4.83:1 |
| White text | 4.34:1 |
Values
| HEX | #CF5107 |
| RGB | rgb(207, 81, 7) |
| HSL | hsl(22, 93%, 42%) |
| OKLCH | oklch(59.4% 0.174 42.8) |
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 #CF5107 | 4.34:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #CF5107 | 4.83:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #CF5107 text on white | 4.34:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #CF5107 text on black | 4.83:1 | AA | Lc -32.5 | 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
#FDF3EF
oklch(97.1% 0.012 43.3)
-
Step 100
100
#F9E5DD
oklch(93.6% 0.025 43.2)
-
Step 200
200
#F5D0C1
oklch(88.5% 0.047 43.3)
-
Step 300
300
#F0AF95
oklch(80.9% 0.085 42.7)
-
Step 400
400
#E68258
oklch(70.8% 0.136 43)
-
Step 500
500 (this color)
#CF5107
oklch(59.4% 0.174 42.8)
-
Step 600
600
#BE4800
oklch(55.5% 0.165 42.7)
-
Step 700
700
#A13C00
oklch(49.1% 0.146 42.8)
-
Step 800
800
#853000
oklch(42.7% 0.127 42.7)
-
Step 900
900
#702700
oklch(37.7% 0.113 42.6)
-
Step 950
950
#421805
oklch(27% 0.071 42.9)
#CF5107 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) | #766700 | 0.167 |
| Deuteranopia (no green cones) | #958400 | 0.151 |
| Tritanopia (no blue cones) | #E42F46 | 0.085 |
| Achromatopsia (no color) | #797979 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF5107
#CF5107
oklch(59.4% 0.174 42.8)
- #008CAE
#008CAE
oklch(59.4% 0.111 222.9)
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 #CF5107, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.015
- Rust Orange #C45508 ΔE 0.021
- Deep Orange #DC4D01 ΔE 0.024
- Burnt Orange #C04E01 ΔE 0.031
- Brick Orange #C14A09 ΔE 0.033
- Terra Cotta #C9643B ΔE 0.041
- Rust #CA6702 ΔE 0.046
- Burnt Siena #B75203 ΔE 0.046
Use #CF5107 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.