#A63123#A63123

#A63123 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.155 H 30.3°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#A63123
RGB	rgb(166, 49, 35)
HSL	hsl(6, 65%, 39%)
HSV	hsv(6, 79%, 65%)
CMYK	cmyk(0%, 70.5%, 78.9%, 34.9%)
CIE-LAB	lab(38.60, 47.09, 35.81)
CIE-LCH	lch(38.60, 59.16, 37.26°)
OKLab	oklab(48.87% 0.1342 0.0784)
OKLCH	oklch(48.87% 0.155 30.3)
XYZ	xyz(17.1295, 10.4276, 2.7005)
Luminance	0.1042 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63123 #2398A6

analogous

#A62357 #A63123 #A67323

triadic

#A63123 #23A631 #3123A6

tetradic

#A63123 #57A623 #2398A6 #7323A6

square

#A63123 #57A623 #2398A6 #7323A6

split-complementary

#A63123 #23A673 #2357A6

monochromatic

#41130E #732218 #A63123 #D44432 #DF7265

Accessibility & contrast

On white

6.81

#A63123 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A63123 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63123

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63123	#FFFFFF	#000000	##FFFFFF
##A63123	1.00	6.81	3.09	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B20

Deuteranopia (green-blind)

#70641E

Tritanopia (blue-blind)

#B7042F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a63123;
/* rgb */ color: rgb(166, 49, 35);
/* oklch */ color: oklch(48.9% 0.155 30.3);

Tailwind

colors: {
  custom: {
    50: '#c9715f',
    500: '#a63123',
    950: '#000000',
  },
}

SCSS

$custom: #a63123;
$custom-light: #c9715f;
$custom-dark: #000000;

JSON

{
  "hex": "#a63123",
  "rgb": {
    "r": 166,
    "g": 49,
    "b": 35
  },
  "hsl": {
    "h": 6.412,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.48871,
    "c": 0.15547,
    "h": 30.3
  },
  "luminance": 0.10425
}

Semantic roles & 50–950 ramp

primary

#A63123

secondary

#61B9C4

accent

#D6E840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A63123

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

Preview Lab → · Contrast checker → · Palette generator →