#102A58#102A58

#102A58 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.4% C 0.089 H 260.8°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#102A58
RGB	rgb(16, 42, 88)
HSL	hsl(218, 69%, 20%)
HSV	hsv(218, 82%, 35%)
CMYK	cmyk(81.8%, 52.3%, 0%, 65.5%)
CIE-LAB	lab(17.78, 8.85, -30.64)
CIE-LCH	lch(17.78, 31.89, 286.10°)
OKLab	oklab(29.41% -0.0142 -0.088)
OKLCH	oklch(29.41% 0.089 260.8)
XYZ	xyz(2.8025, 2.4704, 9.5598)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102A58 #583E10

analogous

#104E58 #102A58 #1A1058

triadic

#102A58 #58102A #2A5810

tetradic

#102A58 #58104E #583E10 #10581A

square

#102A58 #58104E #583E10 #10581A

split-complementary

#102A58 #581A10 #4E5810

monochromatic

#050C1A #071124 #102A58 #19438C #235BC0

Accessibility & contrast

On white

14.05

#102A58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#102A58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A58

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102A58	#FFFFFF	#000000	##FFFFFF
##102A58	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#102F5A

Deuteranopia (green-blind)

#002857

Tritanopia (blue-blind)

#00353C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #102a58;
/* rgb */ color: rgb(16, 42, 88);
/* oklch */ color: oklch(29.4% 0.089 260.8);

Tailwind

colors: {
  custom: {
    50: '#5a6387',
    500: '#102a58',
    950: '#000000',
  },
}

SCSS

$custom: #102a58;
$custom-light: #5a6387;
$custom-dark: #000000;

JSON

{
  "hex": "#102a58",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 88
  },
  "hsl": {
    "h": 218.333,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.29413,
    "c": 0.08916,
    "h": 260.8
  },
  "luminance": 0.02471
}

Semantic roles & 50–950 ramp

primary

#102A58

secondary

#916F32

accent

#AC3CEC

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #102A58

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

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