#101C52#101C52

#101C52 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.100 H 268.6°. Best body text is #FFFFFF at 16.03:1 contrast (WCAG AA passes).

Color values

HEX	#101C52
RGB	rgb(16, 28, 82)
HSL	hsl(229, 67%, 19%)
HSV	hsv(229, 80%, 32%)
CMYK	cmyk(80.5%, 65.9%, 0%, 67.8%)
CIE-LAB	lab(12.92, 16.78, -34.48)
CIE-LCH	lch(12.92, 38.35, 295.95°)
OKLab	oklab(25.58% -0.0024 -0.0996)
OKLCH	oklch(25.58% 0.1 268.6)
XYZ	xyz(2.1514, 1.5496, 8.1667)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C52 #524610

analogous

#103D52 #101C52 #251052

triadic

#101C52 #52101C #1C5210

tetradic

#101C52 #52103D #524610 #105225

square

#101C52 #52103D #524610 #105225

split-complementary

#101C52 #522510 #3D5210

monochromatic

#05091A #060B1F #101C52 #1A2D85 #243FB8

Accessibility & contrast

On white

16.03

#101C52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#101C52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C52

16.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C52	#FFFFFF	#000000	##FFFFFF
##101C52	1.00	16.03	1.31	16.03
#FFFFFF	16.03	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002554

Deuteranopia (green-blind)

#001E51

Tritanopia (blue-blind)

#002A33

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #101c52;
/* rgb */ color: rgb(16, 28, 82);
/* oklch */ color: oklch(25.6% 0.100 268.6);

Tailwind

colors: {
  custom: {
    50: '#5a5783',
    500: '#101c52',
    950: '#000000',
  },
}

SCSS

$custom: #101c52;
$custom-light: #5a5783;
$custom-dark: #000000;

JSON

{
  "hex": "#101c52",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 82
  },
  "hsl": {
    "h": 229.091,
    "s": 67.347,
    "l": 19.216
  },
  "oklch": {
    "l": 0.25577,
    "c": 0.09961,
    "h": 268.6
  },
  "luminance": 0.0155
}

Semantic roles & 50–950 ramp

primary

#101C52

secondary

#8C7B32

accent

#CB3EEA

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #101C52

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

Preview Lab → · Contrast checker → · Palette generator →