#101F49#101F49

#101F49 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.4% C 0.081 H 266.0°. Best body text is #FFFFFF at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#101F49
RGB	rgb(16, 31, 73)
HSL	hsl(224, 64%, 17%)
HSV	hsv(224, 78%, 29%)
CMYK	cmyk(78.1%, 57.5%, 0%, 71.4%)
CIE-LAB	lab(13.05, 10.61, -28.09)
CIE-LCH	lch(13.05, 30.03, 290.69°)
OKLab	oklab(25.43% -0.0056 -0.0807)
OKLCH	oklch(25.43% 0.081 266)
XYZ	xyz(1.9059, 1.5710, 6.5048)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F49 #493A10

analogous

#103B49 #101F49 #1E1049

triadic

#101F49 #49101F #1F4910

tetradic

#101F49 #49103B #493A10 #10491E

square

#101F49 #49103B #493A10 #10491E

split-complementary

#101F49 #491E10 #3B4910

monochromatic

#060B19 #060B19 #101F49 #1B347B #264AAD

Accessibility & contrast

On white

15.98

#101F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#101F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F49

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F49	#FFFFFF	#000000	##FFFFFF
##101F49	1.00	15.98	1.31	15.98
#FFFFFF	15.98	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05244A

Deuteranopia (green-blind)

#001F48

Tritanopia (blue-blind)

#002930

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #101f49;
/* rgb */ color: rgb(16, 31, 73);
/* oklch */ color: oklch(25.4% 0.081 266.0);

Tailwind

colors: {
  custom: {
    50: '#575a7c',
    500: '#101f49',
    950: '#000000',
  },
}

SCSS

$custom: #101f49;
$custom-light: #575a7c;
$custom-dark: #000000;

JSON

{
  "hex": "#101f49",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 73
  },
  "hsl": {
    "h": 224.211,
    "s": 64.045,
    "l": 17.451
  },
  "oklch": {
    "l": 0.25427,
    "c": 0.08095,
    "h": 266
  },
  "luminance": 0.01571
}

Semantic roles & 50–950 ramp

primary

#101F49

secondary

#836E32

accent

#BB41E7

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030309

muted

#78787B

Preview Lab

Preview with #101F49

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

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