#102357#102357

#102357 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.6% C 0.097 H 265.3°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#102357
RGB	rgb(16, 35, 87)
HSL	hsl(224, 69%, 20%)
HSV	hsv(224, 82%, 34%)
CMYK	cmyk(81.6%, 59.8%, 0%, 65.9%)
CIE-LAB	lab(15.49, 13.65, -33.69)
CIE-LCH	lch(15.49, 36.35, 292.06°)
OKLab	oklab(27.64% -0.008 -0.0971)
OKLCH	oklch(27.64% 0.097 265.3)
XYZ	xyz(2.5344, 2.0001, 9.2675)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102357 #574410

analogous

#104657 #102357 #211057

triadic

#102357 #571023 #235710

tetradic

#102357 #571046 #574410 #105721

square

#102357 #571046 #574410 #105721

split-complementary

#102357 #572110 #465710

monochromatic

#050A1A #060E23 #102357 #1A388B #234DBE

Accessibility & contrast

On white

15.00

#102357 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#102357 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102357

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102357	#FFFFFF	#000000	##FFFFFF
##102357	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A59

Deuteranopia (green-blind)

#002456

Tritanopia (blue-blind)

#003039

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #102357;
/* rgb */ color: rgb(16, 35, 87);
/* oklch */ color: oklch(27.6% 0.097 265.3);

Tailwind

colors: {
  custom: {
    50: '#5b5d87',
    500: '#102357',
    950: '#000000',
  },
}

SCSS

$custom: #102357;
$custom-light: #5b5d87;
$custom-dark: #000000;

JSON

{
  "hex": "#102357",
  "rgb": {
    "r": 16,
    "g": 35,
    "b": 87
  },
  "hsl": {
    "h": 223.944,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.27641,
    "c": 0.09745,
    "h": 265.3
  },
  "luminance": 0.02
}

Semantic roles & 50–950 ramp

primary

#102357

secondary

#907732

accent

#BD3CEC

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040B

muted

#79797C

Preview Lab

Preview with #102357

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

Preview Lab → · Contrast checker → · Palette generator →