#102C57#102C57

#102C57 is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.8% C 0.085 H 258.9°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#102C57
RGB	rgb(16, 44, 87)
HSL	hsl(216, 69%, 20%)
HSV	hsv(216, 82%, 34%)
CMYK	cmyk(81.6%, 49.4%, 0%, 65.9%)
CIE-LAB	lab(18.36, 6.93, -29.05)
CIE-LCH	lch(18.36, 29.86, 283.43°)
OKLab	oklab(29.83% -0.0163 -0.0833)
OKLCH	oklch(29.83% 0.085 258.9)
XYZ	xyz(2.8340, 2.5993, 9.3673)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102C57 #573B10

analogous

#104F57 #102C57 #171057

triadic

#102C57 #57102C #2C5710

tetradic

#102C57 #57104F #573B10 #105717

square

#102C57 #57104F #573B10 #105717

split-complementary

#102C57 #571710 #4F5710

monochromatic

#050D1A #061223 #102C57 #1A468B #2360BE

Accessibility & contrast

On white

13.82

#102C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#102C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102C57

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102C57	#FFFFFF	#000000	##FFFFFF
##102C57	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163059

Deuteranopia (green-blind)

#062A56

Tritanopia (blue-blind)

#00363D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102c57;
/* rgb */ color: rgb(16, 44, 87);
/* oklch */ color: oklch(29.8% 0.085 258.9);

Tailwind

colors: {
  custom: {
    50: '#5a6487',
    500: '#102c57',
    950: '#000000',
  },
}

SCSS

$custom: #102c57;
$custom-light: #5a6487;
$custom-dark: #000000;

JSON

{
  "hex": "#102c57",
  "rgb": {
    "r": 16,
    "g": 44,
    "b": 87
  },
  "hsl": {
    "h": 216.338,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29834,
    "c": 0.08486,
    "h": 258.9
  },
  "luminance": 0.026
}

Semantic roles & 50–950 ramp

primary

#102C57

secondary

#906B32

accent

#A63CEC

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #102C57

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

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