#101E43#101E43

#101E43 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.073 H 265.7°. Best body text is #FFFFFF at 16.29:1 contrast (WCAG AA passes).

Color values

HEX	#101E43
RGB	rgb(16, 30, 67)
HSL	hsl(224, 61%, 16%)
HSV	hsv(224, 76%, 26%)
CMYK	cmyk(76.1%, 55.2%, 0%, 73.7%)
CIE-LAB	lab(12.25, 8.77, -25.23)
CIE-LCH	lch(12.25, 26.71, 289.17°)
OKLab	oklab(24.66% -0.0054 -0.0723)
OKLCH	oklch(24.66% 0.073 265.7)
XYZ	xyz(1.6907, 1.4438, 5.4987)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E43 #433510

analogous

#103843 #101E43 #1C1043

triadic

#101E43 #43101E #1E4310

tetradic

#101E43 #431038 #433510 #10431C

square

#101E43 #431038 #433510 #10431C

split-complementary

#101E43 #431C10 #384310

monochromatic

#060B19 #060B19 #101E43 #1C3474 #284AA6

Accessibility & contrast

On white

16.29

#101E43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#101E43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E43

16.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E43	#FFFFFF	#000000	##FFFFFF
##101E43	1.00	16.29	1.29	16.29
#FFFFFF	16.29	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2244

Deuteranopia (green-blind)

#011E42

Tritanopia (blue-blind)

#00272D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #101e43;
/* rgb */ color: rgb(16, 30, 67);
/* oklch */ color: oklch(24.7% 0.073 265.7);

Tailwind

colors: {
  custom: {
    50: '#555977',
    500: '#101e43',
    950: '#000000',
  },
}

SCSS

$custom: #101e43;
$custom-light: #555977;
$custom-dark: #000000;

JSON

{
  "hex": "#101e43",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 67
  },
  "hsl": {
    "h": 223.529,
    "s": 61.446,
    "l": 16.275
  },
  "oklch": {
    "l": 0.2466,
    "c": 0.07252,
    "h": 265.7
  },
  "luminance": 0.01444
}

Semantic roles & 50–950 ramp

primary

#101E43

secondary

#7D6832

accent

#B843E5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #101E43

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

Preview Lab → · Contrast checker → · Palette generator →