#101E51#101E51

#101E51 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.095 H 267.5°. Best body text is #FFFFFF at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#101E51
RGB	rgb(16, 30, 81)
HSL	hsl(227, 67%, 19%)
HSV	hsv(227, 80%, 32%)
CMYK	cmyk(80.2%, 63%, 0%, 68.2%)
CIE-LAB	lab(13.43, 14.84, -32.97)
CIE-LCH	lch(13.43, 36.16, 294.23°)
OKLab	oklab(25.93% -0.0041 -0.0951)
OKLCH	oklch(25.93% 0.095 267.5)
XYZ	xyz(2.1626, 1.6326, 7.9841)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E51 #514310

analogous

#103F51 #101E51 #231051

triadic

#101E51 #51101E #1E5110

tetradic

#101E51 #51103F #514310 #105123

square

#101E51 #51103F #514310 #105123

split-complementary

#101E51 #512310 #3F5110

monochromatic

#05091A #060B1E #101E51 #1A3184 #2444B7

Accessibility & contrast

On white

15.83

#101E51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#101E51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E51

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E51	#FFFFFF	#000000	##FFFFFF
##101E51	1.00	15.83	1.33	15.83
#FFFFFF	15.83	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002653

Deuteranopia (green-blind)

#002050

Tritanopia (blue-blind)

#002B34

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #101e51;
/* rgb */ color: rgb(16, 30, 81);
/* oklch */ color: oklch(25.9% 0.095 267.5);

Tailwind

colors: {
  custom: {
    50: '#595982',
    500: '#101e51',
    950: '#000000',
  },
}

SCSS

$custom: #101e51;
$custom-light: #595982;
$custom-dark: #000000;

JSON

{
  "hex": "#101e51",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 81
  },
  "hsl": {
    "h": 227.077,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.25927,
    "c": 0.09521,
    "h": 267.5
  },
  "luminance": 0.01633
}

Semantic roles & 50–950 ramp

primary

#101E51

secondary

#8B7832

accent

#C53EEA

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #101E51

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

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