#CA5F04
Closest named color: Rusty Orange (#CD5909). oklch(60.6% 0.159 50.1), rgb(202, 95, 4).
Aa
Black text reads best on this color (5.14:1).
About this color
#CA5F04 is a medium-dark, vivid orange. In OKLCH its lightness is 61%, its chroma 0.159 and its hue 50°. 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 5.14:1.
| Hue family | Oranges |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.14:1 |
| White text | 4.07:1 |
Values
| HEX | #CA5F04 |
| RGB | rgb(202, 95, 4) |
| HSL | hsl(28, 96%, 40%) |
| OKLCH | oklch(60.6% 0.159 50.1) |
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 #CA5F04 | 4.07:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #CA5F04 | 5.14:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #CA5F04 text on white | 4.07:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #CA5F04 text on black | 5.14:1 | AA | Lc -34.4 | 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
#F7E6DD
oklch(93.6% 0.022 49.9)
-
Step 200
200
#F2D2C0
oklch(88.6% 0.043 51.2)
-
Step 300
300
#EAB394
oklch(80.9% 0.077 50.7)
-
Step 400
400
#DE8856
oklch(70.7% 0.124 49.9)
-
Step 500
500 (this color)
#CA5F04
oklch(60.6% 0.159 50.1)
-
Step 600
600
#B45300
oklch(55.5% 0.147 50)
-
Step 700
700
#984500
oklch(49% 0.13 50)
-
Step 800
800
#7E3800
oklch(42.8% 0.113 50)
-
Step 900
900
#6A2E00
oklch(37.8% 0.1 50)
-
Step 950
950
#3F1B04
oklch(27% 0.065 49.8)
#CA5F04 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) | #7E6F00 | 0.139 |
| Deuteranopia (no green cones) | #988700 | 0.126 |
| Tritanopia (no blue cones) | #DE4651 | 0.093 |
| Achromatopsia (no color) | #7E7E7E | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA5F04
#CA5F04
oklch(60.6% 0.159 50.1)
- #008EBC
#008EBC
oklch(60.6% 0.121 230.1)
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 #CA5F04, 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 0.018
- Orange Brown #BE6400 ΔE 0.024
- Rust Orange #C45508 ΔE 0.026
- Browny Orange #CA6B02 ΔE 0.027
- Chocolate #D2691E ΔE 0.028
- Terra Cotta #C9643B ΔE 0.030
- Tiger's Eye #BC6C25 ΔE 0.034
Use #CA5F04 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.