#101F56#101F56

#101F56 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.6% C 0.102 H 267.3°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#101F56
RGB	rgb(16, 31, 86)
HSL	hsl(227, 69%, 20%)
HSV	hsv(227, 81%, 34%)
CMYK	cmyk(81.4%, 64%, 0%, 66.3%)
CIE-LAB	lab(14.18, 16.23, -35.13)
CIE-LCH	lch(14.18, 38.70, 294.80°)
OKLab	oklab(26.64% -0.0048 -0.1014)
OKLCH	oklch(26.64% 0.102 267.3)
XYZ	xyz(2.3828, 1.7618, 9.0168)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F56 #564710

analogous

#104256 #101F56 #241056

triadic

#101F56 #56101F #1F5610

tetradic

#101F56 #561042 #564710 #105624

square

#101F56 #561042 #564710 #105624

split-complementary

#101F56 #562410 #425610

monochromatic

#05091A #060C22 #101F56 #1A328A #2344BD

Accessibility & contrast

On white

15.53

#101F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#101F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F56

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F56	#FFFFFF	#000000	##FFFFFF
##101F56	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002758

Deuteranopia (green-blind)

#002155

Tritanopia (blue-blind)

#002D37

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #101f56;
/* rgb */ color: rgb(16, 31, 86);
/* oklch */ color: oklch(26.6% 0.102 267.3);

Tailwind

colors: {
  custom: {
    50: '#5b5a86',
    500: '#101f56',
    950: '#000000',
  },
}

SCSS

$custom: #101f56;
$custom-light: #5b5a86;
$custom-dark: #000000;

JSON

{
  "hex": "#101f56",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 86
  },
  "hsl": {
    "h": 227.143,
    "s": 68.627,
    "l": 20
  },
  "oklch": {
    "l": 0.26635,
    "c": 0.10155,
    "h": 267.3
  },
  "luminance": 0.01762
}

Semantic roles & 50–950 ramp

primary

#101F56

secondary

#8F7C32

accent

#C63CEB

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #101F56

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

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