#C5603A
Closest named color: Terra Cotta (#C9643B). oklch(60.4% 0.139 40.6), rgb(197, 96, 58).
Aa
Black text reads best on this color (5.10:1).
About this color
#C5603A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.139 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.012 away. Black text reads best on it, at 5.10:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #C5603A |
| RGB | rgb(197, 96, 58) |
| HSL | hsl(16, 55%, 50%) |
| OKLCH | oklch(60.4% 0.139 40.6) |
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 #C5603A | 4.11:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #C5603A | 5.10:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #C5603A text on white | 4.11:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #C5603A text on black | 5.10:1 | AA | Lc -33.9 | 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 500.
-
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
#F0D1C6
oklch(88.4% 0.038 40.5)
-
Step 300
300
#E8B29F
oklch(80.8% 0.069 40.2)
-
Step 400
400
#DA896B
oklch(70.7% 0.108 41)
-
Step 500
500 (this color)
#C5603A
oklch(60.4% 0.139 40.6)
-
Step 600
600
#BA4D20
oklch(55.7% 0.152 40.7)
-
Step 700
700
#A03D12
oklch(49.2% 0.141 40.6)
-
Step 800
800
#823313
oklch(42.7% 0.117 40.4)
-
Step 900
900
#682E17
oklch(37.7% 0.09 41.2)
-
Step 950
950
#3D1B0F
oklch(26.8% 0.057 39.8)
#C5603A 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) | #7B6F36 | 0.134 |
| Deuteranopia (no green cones) | #948638 | 0.123 |
| Tritanopia (no blue cones) | #D84C57 | 0.068 |
| Achromatopsia (no color) | #7D7D7D | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5603A
#C5603A
oklch(60.4% 0.139 40.6)
- #0090AF
#0090AF
oklch(60.4% 0.11 220.2)
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 #C5603A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.012
- Terracotta #CA6641 ΔE 0.018
- Terracota #CB6843 ΔE 0.022
- Adobe #BD6C48 ΔE 0.028
- Rusty Orange #CD5909 ΔE 0.030
- Rust Orange #C45508 ΔE 0.033
- Clay #B66A50 ΔE 0.035
- Copper #B66325 ΔE 0.036
Use #C5603A 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.