#CD4D03
Closest named color: Rust Orange (#C45508). oklch(58.6% 0.176 42), rgb(205, 77, 3).
Aa
Black text reads best on this color (4.65:1).
About this color
#CD4D03 is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.176 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.021 away. Black text reads best on it, at 4.65:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.65:1 |
| White text | 4.50:1 |
Values
| HEX | #CD4D03 |
| RGB | rgb(205, 77, 3) |
| HSL | hsl(22, 97%, 41%) |
| OKLCH | oklch(58.6% 0.176 42) |
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 #CD4D03 | 4.50:1 | AA | Lc -75.8 | Fine for body text |
| Black text on #CD4D03 | 4.65:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #CD4D03 text on white | 4.50:1 | AA | Lc 70.3 | Content text, not long reading |
| #CD4D03 text on black | 4.65:1 | AA | Lc -31.4 | 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 600.
-
Step 50
50
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DE
oklch(93.5% 0.023 41.4)
-
Step 200
200
#F4D0C3
oklch(88.5% 0.044 40.9)
-
Step 300
300
#EDB099
oklch(80.8% 0.079 41.6)
-
Step 400
400
#E2845F
oklch(70.7% 0.127 41.9)
-
Step 500
500
#D7612E
oklch(63.1% 0.162 41.9)
-
Step 600
600 (this color)
#CD4D03
oklch(58.6% 0.176 42)
-
Step 700
700
#A23B00
oklch(49.2% 0.148 42.2)
-
Step 800
800
#862F00
oklch(42.8% 0.129 42)
-
Step 900
900
#6D2909
oklch(37.6% 0.105 41.9)
-
Step 950
950
#401909
oklch(26.9% 0.066 41.6)
#CD4D03 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) | #736400 | 0.170 |
| Deuteranopia (no green cones) | #928100 | 0.153 |
| Tritanopia (no blue cones) | #E22842 | 0.083 |
| Achromatopsia (no color) | #777777 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD4D03
#CD4D03
oklch(58.6% 0.176 42)
- #008AAA
#008AAA
oklch(58.7% 0.108 221.8)
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 #CD4D03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.021
- Rusty Orange #CD5909 ΔE 0.023
- Burnt Orange #C04E01 ΔE 0.025
- Brick Orange #C14A09 ΔE 0.025
- Deep Orange #DC4D01 ΔE 0.029
- Burnt Siena #B75203 ΔE 0.042
- Terra Cotta #C9643B ΔE 0.047
- Sinopia #BB3E03 ΔE 0.049
Use #CD4D03 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.