#182857#182857

#182857 is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.2% C 0.088 H 266.8°. Best body text is #FFFFFF at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#182857
RGB	rgb(24, 40, 87)
HSL	hsl(225, 57%, 22%)
HSV	hsv(225, 72%, 34%)
CMYK	cmyk(72.4%, 54%, 0%, 65.9%)
CIE-LAB	lab(17.46, 11.21, -30.48)
CIE-LCH	lch(17.46, 32.48, 290.20°)
OKLab	oklab(29.25% -0.0049 -0.0874)
OKLCH	oklch(29.25% 0.088 266.8)
XYZ	xyz(2.8552, 2.3996, 9.3277)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182857 #574718

analogous

#184857 #182857 #281857

triadic

#182857 #571828 #285718

tetradic

#182857 #571848 #574718 #185728

square

#182857 #571848 #574718 #185728

split-complementary

#182857 #572818 #485718

monochromatic

#070B18 #0B1227 #182857 #253E87 #3254B7

Accessibility & contrast

On white

14.19

#182857 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#182857 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182857

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182857	#FFFFFF	#000000	##FFFFFF
##182857	1.00	14.19	1.48	14.19
#FFFFFF	14.19	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D2E59

Deuteranopia (green-blind)

#002856

Tritanopia (blue-blind)

#00333B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #182857;
/* rgb */ color: rgb(24, 40, 87);
/* oklch */ color: oklch(29.2% 0.088 266.8);

Tailwind

colors: {
  custom: {
    50: '#5d6187',
    500: '#182857',
    950: '#000000',
  },
}

SCSS

$custom: #182857;
$custom-light: #5d6187;
$custom-dark: #000000;

JSON

{
  "hex": "#182857",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 87
  },
  "hsl": {
    "h": 224.762,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.29247,
    "c": 0.08756,
    "h": 266.8
  },
  "luminance": 0.024
}

Semantic roles & 50–950 ramp

primary

#182857

secondary

#8E793D

accent

#B948E0

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05050B

muted

#79797C

Preview Lab

Preview with #182857

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

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