#C45F31
Closest named color: Terra Cotta (#C9643B). oklch(60% 0.142 43.4), rgb(196, 95, 49).
Aa
Black text reads best on this color (5.02:1).
About this color
#C45F31 is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.142 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.017 away. Black text reads best on it, at 5.02:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.02:1 |
| White text | 4.17:1 |
Values
| HEX | #C45F31 |
| RGB | rgb(196, 95, 49) |
| HSL | hsl(19, 60%, 48%) |
| OKLCH | oklch(60% 0.142 43.4) |
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 #C45F31 | 4.17:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #C45F31 | 5.02:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #C45F31 text on white | 4.17:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #C45F31 text on black | 5.02:1 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F0D2C5
oklch(88.5% 0.038 44.8)
-
Step 300
300
#E8B39D
oklch(80.9% 0.069 43.6)
-
Step 400
400
#DB8966
oklch(70.8% 0.112 43.7)
-
Step 500
500 (this color)
#C45F31
oklch(60% 0.142 43.4)
-
Step 600
600
#BA4D13
oklch(55.6% 0.155 43.4)
-
Step 700
700
#A03D01
oklch(49.1% 0.144 43.3)
-
Step 800
800
#823309
oklch(42.7% 0.12 43.2)
-
Step 900
900
#692E13
oklch(37.8% 0.093 43.1)
-
Step 950
950
#3E1C0D
oklch(27.2% 0.059 43.4)
#C45F31 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) | #7B6E2B | 0.133 |
| Deuteranopia (no green cones) | #94852F | 0.122 |
| Tritanopia (no blue cones) | #D74A55 | 0.074 |
| Achromatopsia (no color) | #7C7C7C | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C45F31
#C45F31
oklch(60% 0.142 43.4)
- #008EB1
#008EB1
oklch(60% 0.112 223.3)
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 #C45F31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.017
- Terracotta #CA6641 ΔE 0.023
- Rusty Orange #CD5909 ΔE 0.025
- Rust Orange #C45508 ΔE 0.026
- Terracota #CB6843 ΔE 0.028
- Copper #B66325 ΔE 0.030
- Adobe #BD6C48 ΔE 0.031
- Orange Brown #BE6400 ΔE 0.033
Use #C45F31 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.