#CA601A
Closest named color: Rusty Orange (#CD5909). oklch(60.9% 0.155 48.2), rgb(202, 96, 26).
Aa
Black text reads best on this color (5.19:1).
About this color
#CA601A is a medium-dark, vivid orange. In OKLCH its lightness is 61%, its chroma 0.155 and its hue 48°. 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 5.19:1.
| Hue family | Oranges |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.19:1 |
| White text | 4.03:1 |
Values
| HEX | #CA601A |
| RGB | rgb(202, 96, 26) |
| HSL | hsl(24, 77%, 45%) |
| OKLCH | oklch(60.9% 0.155 48.2) |
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 #CA601A | 4.03:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #CA601A | 5.19:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #CA601A text on white | 4.03:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #CA601A text on black | 5.19:1 | AA | Lc -34.7 | 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
#FCF4F0
oklch(97.2% 0.01 48.6)
-
Step 100
100
#F7E6DE
oklch(93.6% 0.022 47)
-
Step 200
200
#F1D2C2
oklch(88.5% 0.041 49)
-
Step 300
300
#EAB396
oklch(81% 0.076 49)
-
Step 400
400
#DD885B
oklch(70.7% 0.12 48)
-
Step 500
500 (this color)
#CA601A
oklch(60.9% 0.155 48.2)
-
Step 600
600
#B75100
oklch(55.7% 0.151 48.1)
-
Step 700
700
#9A4300
oklch(49% 0.133 48.1)
-
Step 800
800
#7F3600
oklch(42.6% 0.116 48.2)
-
Step 900
900
#6A2D02
oklch(37.6% 0.1 48.4)
-
Step 950
950
#3F1B06
oklch(27.1% 0.064 47.9)
#CA601A 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) | #7F700A | 0.138 |
| Deuteranopia (no green cones) | #988816 | 0.126 |
| Tritanopia (no blue cones) | #DE4853 | 0.087 |
| Achromatopsia (no color) | #7E7E7E | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA601A
#CA601A
oklch(60.9% 0.155 48.2)
- #0090BB
#0090BB
oklch(61% 0.119 228)
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 #CA601A, 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 0.020
- Terra Cotta #C9643B ΔE 0.023
- Chocolate #D2691E ΔE 0.026
- Orange Brown #BE6400 ΔE 0.027
- Rust Orange #C45508 ΔE 0.027
- Browny Orange #CA6B02 ΔE 0.028
- Terracotta #CA6641 ΔE 0.029
Use #CA601A 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.