#102C5E#102C5E

#102C5E is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.4% C 0.096 H 260.9°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#102C5E
RGB	rgb(16, 44, 94)
HSL	hsl(218, 71%, 22%)
HSV	hsv(218, 83%, 37%)
CMYK	cmyk(83%, 53.2%, 0%, 63.1%)
CIE-LAB	lab(18.88, 9.98, -32.86)
CIE-LCH	lch(18.88, 34.34, 286.89°)
OKLab	oklab(30.4% -0.0151 -0.0945)
OKLCH	oklch(30.4% 0.096 260.9)
XYZ	xyz(3.1340, 2.7193, 10.9472)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102C5E #5E4210

analogous

#10535E #102C5E #1B105E

triadic

#102C5E #5E102C #2C5E10

tetradic

#102C5E #5E1053 #5E4210 #105E1B

square

#102C5E #5E1053 #5E4210 #105E1B

split-complementary

#102C5E #5E1B10 #535E10

monochromatic

#040C1A #07142A #102C5E #194492 #225DC7

Accessibility & contrast

On white

13.60

#102C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#102C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102C5E

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102C5E	#FFFFFF	#000000	##FFFFFF
##102C5E	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3260

Deuteranopia (green-blind)

#002B5D

Tritanopia (blue-blind)

#003840

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #102c5e;
/* rgb */ color: rgb(16, 44, 94);
/* oklch */ color: oklch(30.4% 0.096 260.9);

Tailwind

colors: {
  custom: {
    50: '#5c648c',
    500: '#102c5e',
    950: '#000000',
  },
}

SCSS

$custom: #102c5e;
$custom-light: #5c648c;
$custom-dark: #000000;

JSON

{
  "hex": "#102c5e",
  "rgb": {
    "r": 16,
    "g": 44,
    "b": 94
  },
  "hsl": {
    "h": 218.462,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.30401,
    "c": 0.09568,
    "h": 260.9
  },
  "luminance": 0.0272
}

Semantic roles & 50–950 ramp

primary

#102C5E

secondary

#977333

accent

#AD3AEE

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #102C5E

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

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