#CA6540
Closest named color: Terracotta (#CA6641). oklch(62% 0.138 40.3), rgb(202, 101, 64).
Aa
Black text reads best on this color (5.44:1).
About this color
#CA6540 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 62%, its chroma 0.138 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Terracotta (#CA6641), ΔE 0.002 away. Black text reads best on it, at 5.44:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Terracotta (#CA6641) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #CA6540 |
| RGB | rgb(202, 101, 64) |
| HSL | hsl(16, 57%, 52%) |
| OKLCH | oklch(62% 0.138 40.3) |
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 #CA6540 | 3.85:1 | AA large text | Lc -71.0 | Content text, not long reading |
| Black text on #CA6540 | 5.44:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #CA6540 text on white | 3.85:1 | AA large text | Lc 65.5 | Content text, not long reading |
| #CA6540 text on black | 5.44:1 | AA | Lc -36.1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F0D1C7
oklch(88.4% 0.038 38.7)
-
Step 300
300
#E8B3A0
oklch(81% 0.068 40.6)
-
Step 400
400
#DA896C
oklch(70.8% 0.108 40.4)
-
Step 500
500 (this color)
#CA6540
oklch(62% 0.138 40.3)
-
Step 600
600
#B94D22
oklch(55.6% 0.15 40.4)
-
Step 700
700
#9F3D14
oklch(49% 0.14 40.3)
-
Step 800
800
#813314
oklch(42.6% 0.116 40.3)
-
Step 900
900
#682E18
oklch(37.7% 0.09 40.6)
-
Step 950
950
#3D1C0F
oklch(27% 0.056 41.6)
#CA6540 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) | #80743C | 0.132 |
| Deuteranopia (no green cones) | #998A3E | 0.121 |
| Tritanopia (no blue cones) | #DD515D | 0.069 |
| Achromatopsia (no color) | #828282 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA6540
#CA6540
oklch(62% 0.138 40.3)
- #0095B5
#0095B5
oklch(62% 0.113 220.2)
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 #CA6540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terracotta #CA6641 ΔE 0.002
- Terra Cotta #C9643B ΔE 0.005
- Terracota #CB6843 ΔE 0.007
- Adobe #BD6C48 ΔE 0.026
- Chocolate #D2691E ΔE 0.034
- Rusty Orange #CD5909 ΔE 0.036
- Clay #B66A50 ΔE 0.038
- Rust #CA6702 ΔE 0.039
Use #CA6540 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.