#101A5D#101A5D

#101A5D is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.3% C 0.119 H 269.3°. Best body text is #FFFFFF at 15.82:1 contrast (WCAG AA passes).

Color values

HEX	#101A5D
RGB	rgb(16, 26, 93)
HSL	hsl(232, 71%, 21%)
HSV	hsv(232, 83%, 36%)
CMYK	cmyk(82.8%, 72%, 0%, 63.5%)
CIE-LAB	lab(13.47, 22.84, -41.01)
CIE-LCH	lch(13.47, 46.94, 299.11°)
OKLab	oklab(26.32% -0.0015 -0.1187)
OKLCH	oklch(26.32% 0.119 269.3)
XYZ	xyz(2.5582, 1.6390, 10.5353)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A5D #5D5310

analogous

#10415D #101A5D #2D105D

triadic

#101A5D #5D101A #1A5D10

tetradic

#101A5D #5D1041 #5D5310 #105D2D

square

#101A5D #5D1041 #5D5310 #105D2D

split-complementary

#101A5D #5D2D10 #415D10

monochromatic

#04071A #070B29 #101A5D #192991 #2237C5

Accessibility & contrast

On white

15.82

#101A5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#101A5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A5D

15.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A5D	#FFFFFF	#000000	##FFFFFF
##101A5D	1.00	15.82	1.33	15.82
#FFFFFF	15.82	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265F

Deuteranopia (green-blind)

#001F5C

Tritanopia (blue-blind)

#002C39

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #101a5d;
/* rgb */ color: rgb(16, 26, 93);
/* oklch */ color: oklch(26.3% 0.119 269.3);

Tailwind

colors: {
  custom: {
    50: '#5d568c',
    500: '#101a5d',
    950: '#000000',
  },
}

SCSS

$custom: #101a5d;
$custom-light: #5d568c;
$custom-dark: #000000;

JSON

{
  "hex": "#101a5d",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 93
  },
  "hsl": {
    "h": 232.208,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.26318,
    "c": 0.11873,
    "h": 269.3
  },
  "luminance": 0.01639
}

Semantic roles & 50–950 ramp

primary

#101A5D

secondary

#968933

accent

#D63AED

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #101A5D

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

Preview Lab → · Contrast checker → · Palette generator →