#101F54#101F54

#101F54 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.098 H 267.2°. Best body text is #FFFFFF at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#101F54
RGB	rgb(16, 31, 84)
HSL	hsl(227, 68%, 20%)
HSV	hsv(227, 81%, 33%)
CMYK	cmyk(81%, 63.1%, 0%, 67.1%)
CIE-LAB	lab(14.00, 15.37, -34.08)
CIE-LCH	lch(14.00, 37.39, 294.28°)
OKLab	oklab(26.44% -0.0048 -0.0984)
OKLCH	oklch(26.44% 0.098 267.2)
XYZ	xyz(2.3033, 1.7300, 8.5983)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F54 #544510

analogous

#104154 #101F54 #231054

triadic

#101F54 #54101F #1F5410

tetradic

#101F54 #541041 #544510 #105423

square

#101F54 #541041 #544510 #105423

split-complementary

#101F54 #542310 #415410

monochromatic

#05091A #060C21 #101F54 #1A3287 #2445BB

Accessibility & contrast

On white

15.60

#101F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#101F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F54

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F54	#FFFFFF	#000000	##FFFFFF
##101F54	1.00	15.60	1.35	15.60
#FFFFFF	15.60	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002756

Deuteranopia (green-blind)

#002153

Tritanopia (blue-blind)

#002C36

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #101f54;
/* rgb */ color: rgb(16, 31, 84);
/* oklch */ color: oklch(26.4% 0.098 267.2);

Tailwind

colors: {
  custom: {
    50: '#5a5a85',
    500: '#101f54',
    950: '#000000',
  },
}

SCSS

$custom: #101f54;
$custom-light: #5a5a85;
$custom-dark: #000000;

JSON

{
  "hex": "#101f54",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 84
  },
  "hsl": {
    "h": 226.765,
    "s": 68,
    "l": 19.608
  },
  "oklch": {
    "l": 0.26441,
    "c": 0.09847,
    "h": 267.2
  },
  "luminance": 0.0173
}

Semantic roles & 50–950 ramp

primary

#101F54

secondary

#8E7932

accent

#C43DEB

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #101F54

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

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