#101F45#101F45

#101F45 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.1% C 0.074 H 265.2°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#101F45
RGB	rgb(16, 31, 69)
HSL	hsl(223, 62%, 17%)
HSV	hsv(223, 77%, 27%)
CMYK	cmyk(76.8%, 55.1%, 0%, 72.9%)
CIE-LAB	lab(12.73, 8.87, -25.84)
CIE-LCH	lch(12.73, 27.32, 288.95°)
OKLab	oklab(25.08% -0.0062 -0.0741)
OKLCH	oklch(25.08% 0.074 265.2)
XYZ	xyz(1.7775, 1.5196, 5.8287)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F45 #453610

analogous

#103A45 #101F45 #1C1045

triadic

#101F45 #45101F #1F4510

tetradic

#101F45 #45103A #453610 #10451C

square

#101F45 #45103A #453610 #10451C

split-complementary

#101F45 #451C10 #3A4510

monochromatic

#060B19 #060B19 #101F45 #1C3577 #274CA8

Accessibility & contrast

On white

16.10

#101F45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#101F45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F45

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F45	#FFFFFF	#000000	##FFFFFF
##101F45	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2446

Deuteranopia (green-blind)

#001F44

Tritanopia (blue-blind)

#00282E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #101f45;
/* rgb */ color: rgb(16, 31, 69);
/* oklch */ color: oklch(25.1% 0.074 265.2);

Tailwind

colors: {
  custom: {
    50: '#565a79',
    500: '#101f45',
    950: '#000000',
  },
}

SCSS

$custom: #101f45;
$custom-light: #565a79;
$custom-dark: #000000;

JSON

{
  "hex": "#101f45",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 69
  },
  "hsl": {
    "h": 223.019,
    "s": 62.353,
    "l": 16.667
  },
  "oklch": {
    "l": 0.25081,
    "c": 0.07437,
    "h": 265.2
  },
  "luminance": 0.0152
}

Semantic roles & 50–950 ramp

primary

#101F45

secondary

#7F6932

accent

#B742E5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #101F45

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

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