#A03F17#A03F17

#A03F17 is a mid, vivid orange. Relative luminance 0.111; OKLCH L 49.5% C 0.139 H 40.4°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#A03F17
RGB	rgb(160, 63, 23)
HSL	hsl(18, 75%, 36%)
HSV	hsv(18, 86%, 63%)
CMYK	cmyk(0%, 60.6%, 85.6%, 37.3%)
CIE-LAB	lab(39.74, 38.29, 42.58)
CIE-LCH	lch(39.74, 57.26, 48.03°)
OKLab	oklab(49.49% 0.1056 0.0898)
OKLCH	oklch(49.49% 0.139 40.4)
XYZ	xyz(16.4312, 11.0928, 2.0863)
Luminance	0.1109 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03F17 #1778A0

analogous

#A01734 #A03F17 #A08317

triadic

#A03F17 #17A03F #3F17A0

tetradic

#A03F17 #34A017 #1778A0 #8317A0

square

#A03F17 #34A017 #1778A0 #8317A0

split-complementary

#A03F17 #17A083 #1734A0

monochromatic

#351508 #6A2A0F #A03F17 #D6541F #E5794C

Accessibility & contrast

On white

6.53

#A03F17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A03F17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03F17

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03F17	#FFFFFF	#000000	##FFFFFF
##A03F17	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5010

Deuteranopia (green-blind)

#736613

Tritanopia (blue-blind)

#B02737

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a03f17;
/* rgb */ color: rgb(160, 63, 23);
/* oklch */ color: oklch(49.5% 0.139 40.4);

Tailwind

colors: {
  custom: {
    50: '#c47758',
    500: '#a03f17',
    950: '#000000',
  },
}

SCSS

$custom: #a03f17;
$custom-light: #c47758;
$custom-dark: #000000;

JSON

{
  "hex": "#a03f17",
  "rgb": {
    "r": 160,
    "g": 63,
    "b": 23
  },
  "hsl": {
    "h": 17.518,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.49492,
    "c": 0.13859,
    "h": 40.4
  },
  "luminance": 0.1109
}

Semantic roles & 50–950 ramp

primary

#A03F17

secondary

#4CA3C7

accent

#BBF136

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140903

muted

#837B78

Preview Lab

Preview with #A03F17

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

Preview Lab → · Contrast checker → · Palette generator →