#B53438#B53438

#B53438 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.165 H 23.4°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B53438
RGB	rgb(181, 52, 56)
HSL	hsl(358, 55%, 46%)
HSV	hsv(358, 71%, 71%)
CMYK	cmyk(0%, 71.3%, 69.1%, 29%)
CIE-LAB	lab(42.11, 51.82, 28.27)
CIE-LCH	lch(42.11, 59.03, 28.62°)
OKLab	oklab(52.09% 0.1518 0.0657)
OKLCH	oklch(52.09% 0.165 23.4)
XYZ	xyz(21.0001, 12.5684, 5.0608)
Luminance	0.1257 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53438 #34B5B1

analogous

#B53478 #B53438 #B57134

triadic

#B53438 #38B534 #3438B5

tetradic

#B53438 #78B534 #34B5B1 #7134B5

square

#B53438 #78B534 #34B5B1 #7134B5

split-complementary

#B53438 #34B571 #3478B5

monochromatic

#56191B #852629 #B53438 #CF575B #DC878A

Accessibility & contrast

On white

5.98

#B53438 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B53438 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53438

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53438	#FFFFFF	#000000	##FFFFFF
##B53438	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585237

Deuteranopia (green-blind)

#796D34

Tritanopia (blue-blind)

#C70537

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53438;
/* rgb */ color: rgb(181, 52, 56);
/* oklch */ color: oklch(52.1% 0.165 23.4);

Tailwind

colors: {
  custom: {
    50: '#d3746e',
    500: '#b53438',
    950: '#000000',
  },
}

SCSS

$custom: #b53438;
$custom-light: #d3746e;
$custom-dark: #000000;

JSON

{
  "hex": "#b53438",
  "rgb": {
    "r": 181,
    "g": 52,
    "b": 56
  },
  "hsl": {
    "h": 358.14,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52093,
    "c": 0.16539,
    "h": 23.4
  },
  "luminance": 0.12565
}

Semantic roles & 50–950 ramp

primary

#B53438

secondary

#7FC6C4

accent

#DFDA49

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53438

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

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