#A03F15#A03F15

#A03F15 is a mid, vivid orange. Relative luminance 0.111; OKLCH L 49.5% C 0.139 H 40.9°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#A03F15
RGB	rgb(160, 63, 21)
HSL	hsl(18, 77%, 35%)
HSV	hsv(18, 87%, 63%)
CMYK	cmyk(0%, 60.6%, 86.9%, 37.3%)
CIE-LAB	lab(39.72, 38.24, 43.44)
CIE-LCH	lch(39.72, 57.87, 48.64°)
OKLab	oklab(49.48% 0.1051 0.091)
OKLCH	oklch(49.48% 0.139 40.9)
XYZ	xyz(16.4119, 11.0850, 1.9847)
Luminance	0.1108 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03F15 #1576A0

analogous

#A01531 #A03F15 #A08415

triadic

#A03F15 #15A03F #3F15A0

tetradic

#A03F15 #31A015 #1576A0 #8415A0

square

#A03F15 #31A015 #1576A0 #8415A0

split-complementary

#A03F15 #15A084 #1531A0

monochromatic

#341407 #6A2A0E #A03F15 #D6541C #E77848

Accessibility & contrast

On white

6.53

#A03F15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A03F15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03F15

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03F15	#FFFFFF	#000000	##FFFFFF
##A03F15	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)

#5B500D

Deuteranopia (green-blind)

#736610

Tritanopia (blue-blind)

#B02637

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a03f15;
/* rgb */ color: rgb(160, 63, 21);
/* oklch */ color: oklch(49.5% 0.139 40.9);

Tailwind

colors: {
  custom: {
    50: '#c47757',
    500: '#a03f15',
    950: '#000000',
  },
}

SCSS

$custom: #a03f15;
$custom-light: #c47757;
$custom-dark: #000000;

JSON

{
  "hex": "#a03f15",
  "rgb": {
    "r": 160,
    "g": 63,
    "b": 21
  },
  "hsl": {
    "h": 18.129,
    "s": 76.796,
    "l": 35.49
  },
  "oklch": {
    "l": 0.49478,
    "c": 0.13903,
    "h": 40.9
  },
  "luminance": 0.11083
}

Semantic roles & 50–950 ramp

primary

#A03F15

secondary

#49A2C8

accent

#BAF334

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140903

muted

#837B78

Preview Lab

Preview with #A03F15

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

Preview Lab → · Contrast checker → · Palette generator →