#CA6318
Closest named color: Rust (#CA6702). oklch(61.3% 0.153 50), rgb(202, 99, 24).
Aa
Black text reads best on this color (5.30:1).
About this color
#CA6318 is a medium-dark, vivid orange. In OKLCH its lightness is 61%, its chroma 0.153 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Rust (#CA6702), ΔE 0.013 away. Black text reads best on it, at 5.30:1.
| Hue family | Oranges |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Rust (#CA6702) |
| Black text | 5.30:1 |
| White text | 3.95:1 |
Values
| HEX | #CA6318 |
| RGB | rgb(202, 99, 24) |
| HSL | hsl(25, 79%, 44%) |
| OKLCH | oklch(61.3% 0.153 50) |
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 #CA6318 | 3.95:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #CA6318 | 5.30:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #CA6318 text on white | 3.95:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #CA6318 text on black | 5.30:1 | AA | Lc -35.3 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F7E6DD
oklch(93.6% 0.022 49.9)
-
Step 200
200
#F1D2C1
oklch(88.5% 0.042 50.6)
-
Step 300
300
#E9B396
oklch(80.9% 0.075 49.5)
-
Step 400
400
#DC8959
oklch(70.7% 0.12 49.9)
-
Step 500
500 (this color)
#CA6318
oklch(61.3% 0.153 50)
-
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
#3E1C05
oklch(27.1% 0.063 51.2)
#CA6318 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) | #817104 | 0.134 |
| Deuteranopia (no green cones) | #9A8914 | 0.121 |
| Tritanopia (no blue cones) | #DE4B55 | 0.091 |
| Achromatopsia (no color) | #808080 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA6318
#CA6318
oklch(61.3% 0.153 50)
- #0090BF
#0090BF
oklch(61.2% 0.122 230.4)
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 #CA6318, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust #CA6702 ΔE 0.013
- Rusty Orange #CD5909 ΔE 0.020
- Chocolate #D2691E ΔE 0.021
- Browny Orange #CA6B02 ΔE 0.021
- Terra Cotta #C9643B ΔE 0.025
- Orange Brown #BE6400 ΔE 0.025
- Tiger's Eye #BC6C25 ΔE 0.029
- Terracotta #CA6641 ΔE 0.030
Use #CA6318 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.