#102757#102757

#102757 is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.6% C 0.092 H 262.8°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#102757
RGB	rgb(16, 39, 87)
HSL	hsl(221, 69%, 20%)
HSV	hsv(221, 82%, 34%)
CMYK	cmyk(81.6%, 55.2%, 0%, 65.9%)
CIE-LAB	lab(16.74, 10.65, -31.65)
CIE-LCH	lch(16.74, 33.40, 288.59°)
OKLab	oklab(28.59% -0.0116 -0.0911)
OKLCH	oklch(28.59% 0.092 262.8)
XYZ	xyz(2.6589, 2.2490, 9.3089)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102757 #574010

analogous

#104B57 #102757 #1C1057

triadic

#102757 #571027 #275710

tetradic

#102757 #57104B #574010 #10571C

square

#102757 #57104B #574010 #10571C

split-complementary

#102757 #571C10 #4B5710

monochromatic

#050C1A #061023 #102757 #1A3E8B #2355BE

Accessibility & contrast

On white

14.48

#102757 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#102757 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102757

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102757	#FFFFFF	#000000	##FFFFFF
##102757	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#092D59

Deuteranopia (green-blind)

#002656

Tritanopia (blue-blind)

#00333A

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #102757;
/* rgb */ color: rgb(16, 39, 87);
/* oklch */ color: oklch(28.6% 0.092 262.8);

Tailwind

colors: {
  custom: {
    50: '#5a6087',
    500: '#102757',
    950: '#000000',
  },
}

SCSS

$custom: #102757;
$custom-light: #5a6087;
$custom-dark: #000000;

JSON

{
  "hex": "#102757",
  "rgb": {
    "r": 16,
    "g": 39,
    "b": 87
  },
  "hsl": {
    "h": 220.563,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.28593,
    "c": 0.09179,
    "h": 262.8
  },
  "luminance": 0.02249
}

Semantic roles & 50–950 ramp

primary

#102757

secondary

#907232

accent

#B33CEC

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040B

muted

#79797C

Preview Lab

Preview with #102757

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

Preview Lab → · Contrast checker → · Palette generator →