#C45B2A
Closest named color: Rust Orange (#C45508). oklch(59.3% 0.148 43.3), rgb(196, 91, 42).
Aa
Black text reads best on this color (4.87:1).
About this color
#C45B2A is a medium-dark, vivid orange. In OKLCH its lightness is 59%, its chroma 0.148 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.018 away. Black text reads best on it, at 4.87:1.
| Hue family | Oranges |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #C45B2A |
| RGB | rgb(196, 91, 42) |
| HSL | hsl(19, 65%, 47%) |
| OKLCH | oklch(59.3% 0.148 43.3) |
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 #C45B2A | 4.30:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #C45B2A | 4.87:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #C45B2A text on white | 4.30:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #C45B2A text on black | 4.87:1 | AA | Lc -32.5 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#EFD2C6
oklch(88.5% 0.037 43.8)
-
Step 300
300
#E7B39E
oklch(80.9% 0.068 43)
-
Step 400
400
#D88A69
oklch(70.6% 0.106 43.6)
-
Step 500
500
#CC6A40
oklch(63.1% 0.136 42.9)
-
Step 600
600 (this color)
#C45B2A
oklch(59.3% 0.148 43.3)
-
Step 700
700
#9E3F0D
oklch(49.1% 0.138 42.9)
-
Step 800
800
#803510
oklch(42.7% 0.114 43.2)
-
Step 900
900
#672F16
oklch(37.7% 0.089 43.1)
-
Step 950
950
#3D1C0E
oklch(27% 0.057 42.9)
#C45B2A 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) | #786B23 | 0.140 |
| Deuteranopia (no green cones) | #928327 | 0.127 |
| Tritanopia (no blue cones) | #D74451 | 0.076 |
| Achromatopsia (no color) | #7A7A7A | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C45B2A
#C45B2A
oklch(59.3% 0.148 43.3)
- #008CAE
#008CAE
oklch(59.4% 0.111 222.9)
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 #C45B2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.018
- Rusty Orange #CD5909 ΔE 0.021
- Terra Cotta #C9643B ΔE 0.024
- Burnt Orange #C04E01 ΔE 0.031
- Terracotta #CA6641 ΔE 0.031
- Copper #B66325 ΔE 0.031
- Orange Brown #BE6400 ΔE 0.034
- Brick Orange #C14A09 ΔE 0.035
Use #C45B2A 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.