#A03123#A03123

#A03123 is a mid, vivid red. Relative luminance 0.098; OKLCH L 47.8% C 0.149 H 30.5°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#A03123
RGB	rgb(160, 49, 35)
HSL	hsl(7, 64%, 38%)
HSV	hsv(7, 78%, 63%)
CMYK	cmyk(0%, 69.4%, 78.1%, 37.3%)
CIE-LAB	lab(37.47, 45.03, 34.28)
CIE-LCH	lch(37.47, 56.60, 37.28°)
OKLab	oklab(47.82% 0.1285 0.0756)
OKLCH	oklch(47.82% 0.149 30.5)
XYZ	xyz(15.9007, 9.7939, 2.6429)
Luminance	0.0979 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03123 #2392A0

analogous

#A02353 #A03123 #A06F23

triadic

#A03123 #23A031 #3123A0

tetradic

#A03123 #53A023 #2392A0 #6F23A0

square

#A03123 #53A023 #2392A0 #6F23A0

split-complementary

#A03123 #23A06F #2353A0

monochromatic

#3C120D #6E2218 #A03123 #D1412F #DC6F61

Accessibility & contrast

On white

7.10

#A03123 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#A03123 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A03123

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03123	#FFFFFF	#000000	##FFFFFF
##A03123	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514921

Deuteranopia (green-blind)

#6D611F

Tritanopia (blue-blind)

#B00B2F

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a03123;
/* rgb */ color: rgb(160, 49, 35);
/* oklch */ color: oklch(47.8% 0.149 30.5);

Tailwind

colors: {
  custom: {
    50: '#c4705f',
    500: '#a03123',
    950: '#000000',
  },
}

SCSS

$custom: #a03123;
$custom-light: #c4705f;
$custom-dark: #000000;

JSON

{
  "hex": "#a03123",
  "rgb": {
    "r": 160,
    "g": 49,
    "b": 35
  },
  "hsl": {
    "h": 6.72,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47818,
    "c": 0.14906,
    "h": 30.5
  },
  "luminance": 0.09792
}

Semantic roles & 50–950 ramp

primary

#A03123

secondary

#5DB6C1

accent

#D4E741

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A03123

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

Preview Lab → · Contrast checker → · Palette generator →