#101A5E#101A5E

#101A5E is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.4% C 0.120 H 269.2°. Best body text is #FFFFFF at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#101A5E
RGB	rgb(16, 26, 94)
HSL	hsl(232, 71%, 22%)
HSV	hsv(232, 83%, 37%)
CMYK	cmyk(83%, 72.3%, 0%, 63.1%)
CIE-LAB	lab(13.57, 23.24, -41.51)
CIE-LCH	lch(13.57, 47.57, 299.25°)
OKLab	oklab(26.43% -0.0016 -0.1202)
OKLCH	oklch(26.43% 0.12 269.2)
XYZ	xyz(2.6028, 1.6568, 10.7701)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A5E #5E5410

analogous

#10415E #101A5E #2D105E

triadic

#101A5E #5E101A #1A5E10

tetradic

#101A5E #5E1041 #5E5410 #105E2D

square

#101A5E #5E1041 #5E5410 #105E2D

split-complementary

#101A5E #5E2D10 #415E10

monochromatic

#04071A #070C2A #101A5E #192892 #2237C7

Accessibility & contrast

On white

15.77

#101A5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#101A5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A5E

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A5E	#FFFFFF	#000000	##FFFFFF
##101A5E	1.00	15.77	1.33	15.77
#FFFFFF	15.77	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002660

Deuteranopia (green-blind)

#001F5D

Tritanopia (blue-blind)

#002D39

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #101a5e;
/* rgb */ color: rgb(16, 26, 94);
/* oklch */ color: oklch(26.4% 0.120 269.2);

Tailwind

colors: {
  custom: {
    50: '#5e568c',
    500: '#101a5e',
    950: '#000000',
  },
}

SCSS

$custom: #101a5e;
$custom-light: #5e568c;
$custom-dark: #000000;

JSON

{
  "hex": "#101a5e",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 94
  },
  "hsl": {
    "h": 232.308,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.26428,
    "c": 0.12017,
    "h": 269.2
  },
  "luminance": 0.01657
}

Semantic roles & 50–950 ramp

primary

#101A5E

secondary

#978A33

accent

#D73AEE

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #101A5E

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

Preview Lab → · Contrast checker → · Palette generator →