#101E4C#101E4C

#101E4C is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.5% C 0.087 H 267.1°. Best body text is #FFFFFF at 16.00:1 contrast (WCAG AA passes).

Color values

HEX	#101E4C
RGB	rgb(16, 30, 76)
HSL	hsl(226, 65%, 18%)
HSV	hsv(226, 79%, 30%)
CMYK	cmyk(78.9%, 60.5%, 0%, 70.2%)
CIE-LAB	lab(12.99, 12.68, -30.27)
CIE-LCH	lch(12.99, 32.82, 292.73°)
OKLab	oklab(25.46% -0.0044 -0.0872)
OKLCH	oklch(25.46% 0.087 267.1)
XYZ	xyz(1.9820, 1.5603, 7.0328)
Luminance	0.0156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E4C #4C3E10

analogous

#103C4C #101E4C #20104C

triadic

#101E4C #4C101E #1E4C10

tetradic

#101E4C #4C103C #4C3E10 #104C20

square

#101E4C #4C103C #4C3E10 #104C20

split-complementary

#101E4C #4C2010 #3C4C10

monochromatic

#050A19 #050A19 #101E4C #1B327F #2546B1

Accessibility & contrast

On white

16.00

#101E4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#101E4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E4C

16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E4C	#FFFFFF	#000000	##FFFFFF
##101E4C	1.00	16.00	1.31	16.00
#FFFFFF	16.00	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244E

Deuteranopia (green-blind)

#001F4B

Tritanopia (blue-blind)

#002931

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #101e4c;
/* rgb */ color: rgb(16, 30, 76);
/* oklch */ color: oklch(25.5% 0.087 267.1);

Tailwind

colors: {
  custom: {
    50: '#58597e',
    500: '#101e4c',
    950: '#000000',
  },
}

SCSS

$custom: #101e4c;
$custom-light: #58597e;
$custom-dark: #000000;

JSON

{
  "hex": "#101e4c",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 76
  },
  "hsl": {
    "h": 226,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.25457,
    "c": 0.08727,
    "h": 267.1
  },
  "luminance": 0.01561
}

Semantic roles & 50–950 ramp

primary

#101E4C

secondary

#867232

accent

#C140E8

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #101E4C

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

Preview Lab → · Contrast checker → · Palette generator →