#CA5F1B
Closest named color: Rusty Orange (#CD5909). oklch(60.7% 0.155 47.5), rgb(202, 95, 27).
Aa
Black text reads best on this color (5.16:1).
About this color
#CA5F1B is a medium-dark, vivid orange. In OKLCH its lightness is 61%, its chroma 0.155 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.012 away. Black text reads best on it, at 5.16:1.
| Hue family | Oranges |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #CA5F1B |
| RGB | rgb(202, 95, 27) |
| HSL | hsl(23, 76%, 45%) |
| OKLCH | oklch(60.7% 0.155 47.5) |
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 #CA5F1B | 4.06:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #CA5F1B | 5.16:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #CA5F1B text on white | 4.06:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #CA5F1B text on black | 5.16:1 | 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
#FCF4F0
oklch(97.2% 0.01 48.6)
-
Step 100
100
#F7E6DE
oklch(93.6% 0.022 47)
-
Step 200
200
#F2D1C2
oklch(88.4% 0.042 45.9)
-
Step 300
300
#EAB297
oklch(80.8% 0.075 46.9)
-
Step 400
400
#DE885B
oklch(70.8% 0.122 47.7)
-
Step 500
500 (this color)
#CA5F1B
oklch(60.7% 0.155 47.5)
-
Step 600
600
#B85000
oklch(55.7% 0.153 47.4)
-
Step 700
700
#9B4200
oklch(49% 0.135 47.3)
-
Step 800
800
#803600
oklch(42.8% 0.117 47.8)
-
Step 900
900
#6B2D03
oklch(37.8% 0.101 47.7)
-
Step 950
950
#3F1B06
oklch(27.1% 0.064 47.9)
#CA5F1B 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) | #7E6F0C | 0.140 |
| Deuteranopia (no green cones) | #988717 | 0.126 |
| Tritanopia (no blue cones) | #DE4652 | 0.087 |
| Achromatopsia (no color) | #7E7E7E | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA5F1B
#CA5F1B
oklch(60.7% 0.155 47.5)
- #008FB9
#008FB9
oklch(60.7% 0.118 227.6)
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 #CA5F1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.012
- Rust #CA6702 ΔE 0.022
- Terra Cotta #C9643B ΔE 0.023
- Rust Orange #C45508 ΔE 0.025
- Orange Brown #BE6400 ΔE 0.028
- Chocolate #D2691E ΔE 0.028
- Terracotta #CA6641 ΔE 0.029
- Browny Orange #CA6B02 ΔE 0.031
Use #CA5F1B 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.