#CA6039
Closest named color: Terra Cotta (#C9643B). oklch(61.1% 0.145 40.1), rgb(202, 96, 57).
Aa
Black text reads best on this color (5.24:1).
About this color
#CA6039 is a medium-dark, vivid orange. In OKLCH its lightness is 61%, its chroma 0.145 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.008 away. Black text reads best on it, at 5.24:1.
| Hue family | Oranges |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #CA6039 |
| RGB | rgb(202, 96, 57) |
| HSL | hsl(16, 58%, 51%) |
| OKLCH | oklch(61.1% 0.145 40.1) |
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 #CA6039 | 4.00:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #CA6039 | 5.24:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #CA6039 text on white | 4.00:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #CA6039 text on black | 5.24:1 | AA | Lc -34.9 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F1D1C6
oklch(88.5% 0.039 39.9)
-
Step 300
300
#EAB29E
oklch(81% 0.071 40.5)
-
Step 400
400
#DD8769
oklch(70.7% 0.114 39.9)
-
Step 500
500 (this color)
#CA6039
oklch(61.1% 0.145 40.1)
-
Step 600
600
#BC4A1B
oklch(55.6% 0.158 40.2)
-
Step 700
700
#A23A0C
oklch(49.1% 0.147 40)
-
Step 800
800
#83310F
oklch(42.6% 0.121 40.2)
-
Step 900
900
#6A2C15
oklch(37.6% 0.095 39.9)
-
Step 950
950
#3E1B0E
oklch(27% 0.059 40.5)
#CA6039 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) | #7D7135 | 0.139 |
| Deuteranopia (no green cones) | #978837 | 0.128 |
| Tritanopia (no blue cones) | #DD4A57 | 0.070 |
| Achromatopsia (no color) | #7F7F7F | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CA6039
#CA6039
oklch(61.1% 0.145 40.1)
- #0092B2
#0092B2
oklch(61.1% 0.112 220.6)
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 #CA6039, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.008
- Terracotta #CA6641 ΔE 0.013
- Terracota #CB6843 ΔE 0.018
- Rusty Orange #CD5909 ΔE 0.028
- Adobe #BD6C48 ΔE 0.032
- Rust Orange #C45508 ΔE 0.036
- Chocolate #D2691E ΔE 0.036
- Rust #CA6702 ΔE 0.039
Use #CA6039 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.