#102057#102057

#102057 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.0% C 0.102 H 266.9°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#102057
RGB	rgb(16, 32, 87)
HSL	hsl(226, 69%, 20%)
HSV	hsv(226, 82%, 34%)
CMYK	cmyk(81.6%, 63.2%, 0%, 65.9%)
CIE-LAB	lab(14.57, 15.91, -35.17)
CIE-LCH	lch(14.57, 38.60, 294.34°)
OKLab	oklab(26.96% -0.0055 -0.1015)
OKLCH	oklch(26.96% 0.102 266.9)
XYZ	xyz(2.4499, 1.8310, 9.2393)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102057 #574710

analogous

#104357 #102057 #241057

triadic

#102057 #571020 #205710

tetradic

#102057 #571043 #574710 #105724

square

#102057 #571043 #574710 #105724

split-complementary

#102057 #572410 #435710

monochromatic

#050A1A #060D23 #102057 #1A338B #2346BE

Accessibility & contrast

On white

15.37

#102057 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#102057 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102057

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102057	#FFFFFF	#000000	##FFFFFF
##102057	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002859

Deuteranopia (green-blind)

#002256

Tritanopia (blue-blind)

#002E38

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #102057;
/* rgb */ color: rgb(16, 32, 87);
/* oklch */ color: oklch(27.0% 0.102 266.9);

Tailwind

colors: {
  custom: {
    50: '#5b5b87',
    500: '#102057',
    950: '#000000',
  },
}

SCSS

$custom: #102057;
$custom-light: #5b5b87;
$custom-dark: #000000;

JSON

{
  "hex": "#102057",
  "rgb": {
    "r": 16,
    "g": 32,
    "b": 87
  },
  "hsl": {
    "h": 226.479,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.26955,
    "c": 0.10169,
    "h": 266.9
  },
  "luminance": 0.01831
}

Semantic roles & 50–950 ramp

primary

#102057

secondary

#907B32

accent

#C43CEC

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040B

muted

#79797C

Preview Lab

Preview with #102057

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

Preview Lab → · Contrast checker → · Palette generator →