#C45833
Closest named color: Rust Orange (#C45508). oklch(59% 0.148 39), rgb(196, 88, 51).
Aa
Black text reads best on this color (4.79:1).
About this color
#C45833 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.148 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.024 away. Black text reads best on it, at 4.79:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.79:1 |
| White text | 4.38:1 |
Values
| HEX | #C45833 |
| RGB | rgb(196, 88, 51) |
| HSL | hsl(15, 59%, 48%) |
| OKLCH | oklch(59% 0.148 39) |
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 #C45833 | 4.38:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #C45833 | 4.79:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #C45833 text on white | 4.38:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #C45833 text on black | 4.79:1 | AA | Lc -31.9 | 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
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F0D1C8
oklch(88.4% 0.037 36.8)
-
Step 300
300
#E7B3A1
oklch(80.9% 0.066 39.9)
-
Step 400
400
#D9896E
oklch(70.7% 0.106 39.4)
-
Step 500
500
#CD6947
oklch(63.1% 0.136 39.3)
-
Step 600
600 (this color)
#C45833
oklch(59% 0.148 39)
-
Step 700
700
#9F3E1B
oklch(49.2% 0.137 38.9)
-
Step 800
800
#813419
oklch(42.8% 0.114 39)
-
Step 900
900
#682E1B
oklch(37.7% 0.089 38.5)
-
Step 950
950
#3D1C10
oklch(27.1% 0.056 40.4)
#C45833 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) | #766A2F | 0.143 |
| Deuteranopia (no green cones) | #908230 | 0.133 |
| Tritanopia (no blue cones) | #D74150 | 0.068 |
| Achromatopsia (no color) | #797979 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C45833
#C45833
oklch(59% 0.148 39)
- #008BA8
#008BA8
oklch(58.9% 0.107 219.4)
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 #C45833, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.024
- Terra Cotta #C9643B ΔE 0.028
- Rusty Orange #CD5909 ΔE 0.029
- Burnt Orange #C04E01 ΔE 0.032
- Brick Orange #C14A09 ΔE 0.034
- Terracotta #CA6641 ΔE 0.034
- Terracota #CB6843 ΔE 0.039
- Copper #B66325 ΔE 0.039
Use #C45833 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.