#CF5512
Closest named color: Rusty Orange (#CD5909). oklch(60% 0.17 43.3), rgb(207, 85, 18).
Aa
Black text reads best on this color (4.96:1).
About this color
#CF5512 is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.170 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.010 away. Black text reads best on it, at 4.96:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 4.96:1 |
| White text | 4.23:1 |
Values
| HEX | #CF5512 |
| RGB | rgb(207, 85, 18) |
| HSL | hsl(21, 84%, 44%) |
| OKLCH | oklch(60% 0.17 43.3) |
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 #CF5512 | 4.23:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #CF5512 | 4.96:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #CF5512 text on white | 4.23:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #CF5512 text on black | 4.96:1 | AA | Lc -33.3 | 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
#F9E5DD
oklch(93.6% 0.025 43.2)
-
Step 200
200
#F5D0C1
oklch(88.5% 0.047 43.3)
-
Step 300
300
#EFB096
oklch(81% 0.082 43.4)
-
Step 400
400
#E48359
oklch(70.7% 0.132 43.6)
-
Step 500
500 (this color)
#CF5512
oklch(60% 0.17 43.3)
-
Step 600
600
#BE4900
oklch(55.6% 0.165 43.1)
-
Step 700
700
#A03D00
oklch(49.1% 0.144 43.5)
-
Step 800
800
#843100
oklch(42.7% 0.125 43.5)
-
Step 900
900
#6F2801
oklch(37.7% 0.11 43.2)
-
Step 950
950
#411806
oklch(26.9% 0.07 42.5)
#CF5512 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) | #786A00 | 0.163 |
| Deuteranopia (no green cones) | #968508 | 0.146 |
| Tritanopia (no blue cones) | #E4364A | 0.085 |
| Achromatopsia (no color) | #7B7B7B | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF5512
#CF5512
oklch(60% 0.17 43.3)
- #008EB1
#008EB1
oklch(60% 0.112 223.3)
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 #CF5512, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.010
- Rust Orange #C45508 ΔE 0.022
- Deep Orange #DC4D01 ΔE 0.025
- Terra Cotta #C9643B ΔE 0.034
- Burnt Orange #C04E01 ΔE 0.035
- Brick Orange #C14A09 ΔE 0.038
- Terracotta #CA6641 ΔE 0.040
- Rust #CA6702 ΔE 0.040
Use #CF5512 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.