#101D54#101D54

#101D54 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.0% C 0.101 H 268.2°. Best body text is #FFFFFF at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#101D54
RGB	rgb(16, 29, 84)
HSL	hsl(229, 68%, 20%)
HSV	hsv(229, 81%, 33%)
CMYK	cmyk(81%, 65.5%, 0%, 67.1%)
CIE-LAB	lab(13.40, 16.88, -35.05)
CIE-LCH	lch(13.40, 38.91, 295.72°)
OKLab	oklab(26% -0.0032 -0.1012)
OKLCH	oklch(26% 0.101 268.2)
XYZ	xyz(2.2527, 1.6287, 8.5814)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101D54 #544710

analogous

#103F54 #101D54 #251054

triadic

#101D54 #54101D #1D5410

tetradic

#101D54 #54103F #544710 #105425

square

#101D54 #54103F #544710 #105425

split-complementary

#101D54 #542510 #3F5410

monochromatic

#05091A #060B21 #101D54 #1A2F87 #2440BB

Accessibility & contrast

On white

15.84

#101D54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#101D54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101D54

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101D54	#FFFFFF	#000000	##FFFFFF
##101D54	1.00	15.84	1.33	15.84
#FFFFFF	15.84	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002656

Deuteranopia (green-blind)

#001F53

Tritanopia (blue-blind)

#002B35

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #101d54;
/* rgb */ color: rgb(16, 29, 84);
/* oklch */ color: oklch(26.0% 0.101 268.2);

Tailwind

colors: {
  custom: {
    50: '#5a5885',
    500: '#101d54',
    950: '#000000',
  },
}

SCSS

$custom: #101d54;
$custom-light: #5a5885;
$custom-dark: #000000;

JSON

{
  "hex": "#101d54",
  "rgb": {
    "r": 16,
    "g": 29,
    "b": 84
  },
  "hsl": {
    "h": 228.529,
    "s": 68,
    "l": 19.608
  },
  "oklch": {
    "l": 0.25996,
    "c": 0.10128,
    "h": 268.2
  },
  "luminance": 0.01629
}

Semantic roles & 50–950 ramp

primary

#101D54

secondary

#8E7C32

accent

#CA3DEB

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #101D54

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

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