#102457#102457

#102457 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 27.9% C 0.096 H 264.7°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#102457
RGB	rgb(16, 36, 87)
HSL	hsl(223, 69%, 20%)
HSV	hsv(223, 82%, 34%)
CMYK	cmyk(81.6%, 58.6%, 0%, 65.9%)
CIE-LAB	lab(15.80, 12.90, -33.18)
CIE-LCH	lch(15.80, 35.60, 291.25°)
OKLab	oklab(27.88% -0.0089 -0.0956)
OKLCH	oklch(27.88% 0.096 264.7)
XYZ	xyz(2.5643, 2.0597, 9.2774)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102457 #574310

analogous

#104757 #102457 #201057

triadic

#102457 #571024 #245710

tetradic

#102457 #571047 #574310 #105720

square

#102457 #571047 #574310 #105720

split-complementary

#102457 #572010 #475710

monochromatic

#050B1A #060F23 #102457 #1A398B #234FBE

Accessibility & contrast

On white

14.87

#102457 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#102457 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102457

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102457	#FFFFFF	#000000	##FFFFFF
##102457	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B59

Deuteranopia (green-blind)

#002456

Tritanopia (blue-blind)

#003039

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #102457;
/* rgb */ color: rgb(16, 36, 87);
/* oklch */ color: oklch(27.9% 0.096 264.7);

Tailwind

colors: {
  custom: {
    50: '#5b5e87',
    500: '#102457',
    950: '#000000',
  },
}

SCSS

$custom: #102457;
$custom-light: #5b5e87;
$custom-dark: #000000;

JSON

{
  "hex": "#102457",
  "rgb": {
    "r": 16,
    "g": 36,
    "b": 87
  },
  "hsl": {
    "h": 223.099,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.27875,
    "c": 0.09603,
    "h": 264.7
  },
  "luminance": 0.0206
}

Semantic roles & 50–950 ramp

primary

#102457

secondary

#907632

accent

#BA3CEC

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040B

muted

#79797C

Preview Lab

Preview with #102457

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

Preview Lab → · Contrast checker → · Palette generator →