Rust Orange#C45508

#C45508 is a mid, vivid orange. Relative luminance 0.182; OKLCH L 58.3% C 0.160 H 46.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Rust Orange — editorial page

Color values

HEX	#C45508
RGB	rgb(196, 85, 8)
HSL	hsl(25, 92%, 40%)
HSV	hsv(25, 96%, 77%)
CMYK	cmyk(0%, 56.6%, 95.9%, 23.1%)
CIE-LAB	lab(49.80, 41.19, 57.53)
CIE-LCH	lch(49.80, 70.75, 54.39°)
OKLab	oklab(58.27% 0.1103 0.1157)
OKLCH	oklch(58.27% 0.16 46.4)
XYZ	xyz(26.0602, 18.2539, 2.3808)
Luminance	0.1825 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C45508 #0877C4

analogous

#C40819 #C45508 #C4B308

triadic

#C45508 #08C455 #5508C4

tetradic

#C45508 #19C408 #0877C4 #B308C4

square

#C45508 #19C408 #0877C4 #B308C4

split-complementary

#C45508 #08C4B3 #0819C4

monochromatic

#4E2203 #893B06 #C45508 #F57014 #F8944F

Accessibility & contrast

On white

4.52

#C45508 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#C45508 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C45508

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C45508	#FFFFFF	#000000	##000000
##C45508	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#756700

Deuteranopia (green-blind)

#908000

Tritanopia (blue-blind)

#D83A49

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #c45508;
/* rgb */ color: rgb(196, 85, 8);
/* oklch */ color: oklch(58.3% 0.160 46.4);

Tailwind

colors: {
  custom: {
    50: '#df8856',
    500: '#c45508',
    950: '#000000',
  },
}

SCSS

$custom: #c45508;
$custom-light: #df8856;
$custom-dark: #000000;

JSON

{
  "hex": "#c45508",
  "rgb": {
    "r": 196,
    "g": 85,
    "b": 8
  },
  "hsl": {
    "h": 24.574,
    "s": 92.157,
    "l": 40
  },
  "oklch": {
    "l": 0.58269,
    "c": 0.15991,
    "h": 46.4
  },
  "luminance": 0.1825
}

Semantic roles & 50–950 ramp

primary

#C45508

secondary

#4FA0D9

accent

#A7FF29

background

#FFF8F5

surface

#FEF0E9

border

#D6CBC5

text

#170B03

muted

#857C78

Preview Lab

Preview with #C45508

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →