#CD5729
Closest named color: Rusty Orange (#CD5909). oklch(60.1% 0.161 40.2), rgb(205, 87, 41).
Aa
Black text reads best on this color (4.99:1).
About this color
#CD5729 is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.161 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.018 away. Black text reads best on it, at 4.99:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.161) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #CD5729 |
| RGB | rgb(205, 87, 41) |
| HSL | hsl(17, 67%, 48%) |
| OKLCH | oklch(60.1% 0.161 40.2) |
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 #CD5729 | 4.20:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #CD5729 | 4.99:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #CD5729 text on white | 4.20:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #CD5729 text on black | 4.99:1 | AA | Lc -33.4 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F4D0C4
oklch(88.5% 0.044 39.3)
-
Step 300
300
#EEB09A
oklch(80.9% 0.079 40.4)
-
Step 400
400
#E28462
oklch(70.7% 0.125 40.5)
-
Step 500
500 (this color)
#CD5729
oklch(60.1% 0.161 40.2)
-
Step 600
600
#C24300
oklch(55.5% 0.173 40.3)
-
Step 700
700
#A43700
oklch(49% 0.153 40.1)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900
#6E290D
oklch(37.8% 0.105 40.3)
-
Step 950
950
#41190A
oklch(27.1% 0.067 40.2)
#CD5729 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) | #786B22 | 0.157 |
| Deuteranopia (no green cones) | #958525 | 0.142 |
| Tritanopia (no blue cones) | #E13B4E | 0.076 |
| Achromatopsia (no color) | #7B7B7B | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD5729
#CD5729
oklch(60.1% 0.161 40.2)
- #008FAE
#008FAE
oklch(60.1% 0.11 220.3)
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 #CD5729, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.018
- Rust Orange #C45508 ΔE 0.025
- Terra Cotta #C9643B ΔE 0.026
- Deep Orange #DC4D01 ΔE 0.031
- Terracotta #CA6641 ΔE 0.031
- Terracota #CB6843 ΔE 0.036
- Burnt Orange #C04E01 ΔE 0.037
- Brick Orange #C14A09 ΔE 0.039
Use #CD5729 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.