#CF601A
Closest named color: Rusty Orange (#CD5909). oklch(61.6% 0.159 47.1), rgb(207, 96, 26).
Aa
Black text reads best on this color (5.34:1).
About this color
#CF601A is a medium-dark, vivid orange. In OKLCH its lightness is 62%, its chroma 0.159 and its hue 47°. 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 5.34:1.
| Hue family | Oranges |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.34:1 |
| White text | 3.93:1 |
Values
| HEX | #CF601A |
| RGB | rgb(207, 96, 26) |
| HSL | hsl(23, 78%, 46%) |
| OKLCH | oklch(61.6% 0.159 47.1) |
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 #CF601A | 3.93:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #CF601A | 5.34:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #CF601A text on white | 3.93:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #CF601A text on black | 5.34:1 | AA | Lc -35.6 | 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
#F7E6DD
oklch(93.6% 0.022 49.9)
-
Step 200
200
#F2D1C1
oklch(88.4% 0.043 47.5)
-
Step 300
300
#ECB296
oklch(81% 0.078 46.9)
-
Step 400
400
#DF8759
oklch(70.7% 0.124 47.6)
-
Step 500
500 (this color)
#CF601A
oklch(61.6% 0.159 47.1)
-
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
#3F1A05
oklch(26.9% 0.066 47.3)
#CF601A 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) | #807109 | 0.146 |
| Deuteranopia (no green cones) | #9B8A15 | 0.132 |
| Tritanopia (no blue cones) | #E44653 | 0.088 |
| Achromatopsia (no color) | #808080 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF601A
#CF601A
oklch(61.6% 0.159 47.1)
- #0092BC
#0092BC
oklch(61.6% 0.119 227.1)
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 #CF601A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.015
- Chocolate #D2691E ΔE 0.021
- Rust #CA6702 ΔE 0.021
- Terra Cotta #C9643B ΔE 0.024
- Terracotta #CA6641 ΔE 0.029
- Browny Orange #CA6B02 ΔE 0.029
- Terracota #CB6843 ΔE 0.031
- Rust Orange #C45508 ΔE 0.033
Use #CF601A 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.