#C75321
Closest named color: Rust Orange (#C45508). oklch(58.6% 0.16 41.2), rgb(199, 83, 33).
Aa
Black text reads best on this color (4.68:1).
About this color
#C75321 is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.160 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.015 away. Black text reads best on it, at 4.68:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.68:1 |
| White text | 4.47:1 |
Values
| HEX | #C75321 |
| RGB | rgb(199, 83, 33) |
| HSL | hsl(18, 72%, 45%) |
| OKLCH | oklch(58.6% 0.16 41.2) |
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 #C75321 | 4.47:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #C75321 | 4.68:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #C75321 text on white | 4.47:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #C75321 text on black | 4.68:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F2D1C5
oklch(88.5% 0.041 41)
-
Step 300
300
#EAB29D
oklch(81% 0.072 41.5)
-
Step 400
400
#DD8767
oklch(70.7% 0.115 41.1)
-
Step 500
500
#D1663C
oklch(63.1% 0.147 41.2)
-
Step 600
600 (this color)
#C75321
oklch(58.6% 0.16 41.2)
-
Step 700
700
#A23A03
oklch(49% 0.148 41.3)
-
Step 800
800
#84310A
oklch(42.7% 0.123 41.3)
-
Step 900
900
#6A2C13
oklch(37.6% 0.096 41)
-
Step 950
950
#3F1B0D
oklch(27.2% 0.061 41.2)
#C75321 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) | #746719 | 0.155 |
| Deuteranopia (no green cones) | #90811C | 0.142 |
| Tritanopia (no blue cones) | #DB3749 | 0.076 |
| Achromatopsia (no color) | #777777 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C75321
#C75321
oklch(58.6% 0.16 41.2)
- #008AA9
#008AA9
oklch(58.7% 0.108 221.1)
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 #C75321, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.015
- Burnt Orange #C04E01 ΔE 0.022
- Rusty Orange #CD5909 ΔE 0.023
- Brick Orange #C14A09 ΔE 0.024
- Burnt Siena #B75203 ΔE 0.035
- Terra Cotta #C9643B ΔE 0.037
- Deep Orange #DC4D01 ΔE 0.039
- Terracotta #CA6641 ΔE 0.043
Use #C75321 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.