#102A5F#102A5F

#102A5F is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.0% C 0.100 H 262.4°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#102A5F
RGB	rgb(16, 42, 95)
HSL	hsl(220, 71%, 22%)
HSV	hsv(220, 83%, 37%)
CMYK	cmyk(83.2%, 55.8%, 0%, 62.7%)
CIE-LAB	lab(18.33, 11.89, -34.41)
CIE-LCH	lch(18.33, 36.41, 289.06°)
OKLab	oklab(30% -0.0132 -0.0991)
OKLCH	oklch(30% 0.1 262.4)
XYZ	xyz(3.1065, 2.5920, 11.1608)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#102A5F #5F4510

analogous

#10525F #102A5F #1E105F

triadic

#102A5F #5F102A #2A5F10

tetradic

#102A5F #5F1052 #5F4510 #105F1E

square

#102A5F #5F1052 #5F4510 #105F1E

split-complementary

#102A5F #5F1E10 #525F10

monochromatic

#040C1A #07132B #102A5F #194193 #2258C8

Accessibility & contrast

On white

13.83

#102A5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#102A5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102A5F

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##102A5F	#FFFFFF	#000000	##FFFFFF
##102A5F	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063161

Deuteranopia (green-blind)

#00295E

Tritanopia (blue-blind)

#003740

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #102a5f;
/* rgb */ color: rgb(16, 42, 95);
/* oklch */ color: oklch(30.0% 0.100 262.4);

Tailwind

colors: {
  custom: {
    50: '#5c638d',
    500: '#102a5f',
    950: '#000000',
  },
}

SCSS

$custom: #102a5f;
$custom-light: #5c638d;
$custom-dark: #000000;

JSON

{
  "hex": "#102a5f",
  "rgb": {
    "r": 16,
    "g": 42,
    "b": 95
  },
  "hsl": {
    "h": 220.253,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.30004,
    "c": 0.09998,
    "h": 262.4
  },
  "luminance": 0.02592
}

Semantic roles & 50–950 ramp

primary

#102A5F

secondary

#987733

accent

#B33AEE

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #102A5F

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

Preview Lab → · Contrast checker → · Palette generator →