#101E4D#101E4D

#101E4D is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.5% C 0.089 H 267.2°. Best body text is #FFFFFF at 15.97:1 contrast (WCAG AA passes).

Color values

HEX	#101E4D
RGB	rgb(16, 30, 77)
HSL	hsl(226, 66%, 18%)
HSV	hsv(226, 79%, 30%)
CMYK	cmyk(79.2%, 61%, 0%, 69.8%)
CIE-LAB	lab(13.07, 13.11, -30.82)
CIE-LCH	lch(13.07, 33.49, 293.05°)
OKLab	oklab(25.55% -0.0043 -0.0888)
OKLCH	oklch(25.55% 0.089 267.2)
XYZ	xyz(2.0170, 1.5743, 7.2173)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E4D #4D3F10

analogous

#103C4D #101E4D #21104D

triadic

#101E4D #4D101E #1E4D10

tetradic

#101E4D #4D103C #4D3F10 #104D21

square

#101E4D #4D103C #4D3F10 #104D21

split-complementary

#101E4D #4D2110 #3C4D10

monochromatic

#050A19 #050A1A #101E4D #1B3280 #2545B2

Accessibility & contrast

On white

15.97

#101E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#101E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E4D

15.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E4D	#FFFFFF	#000000	##FFFFFF
##101E4D	1.00	15.97	1.32	15.97
#FFFFFF	15.97	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00254F

Deuteranopia (green-blind)

#001F4C

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #101e4d;
/* rgb */ color: rgb(16, 30, 77);
/* oklch */ color: oklch(25.5% 0.089 267.2);

Tailwind

colors: {
  custom: {
    50: '#58597f',
    500: '#101e4d',
    950: '#000000',
  },
}

SCSS

$custom: #101e4d;
$custom-light: #58597f;
$custom-dark: #000000;

JSON

{
  "hex": "#101e4d",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 77
  },
  "hsl": {
    "h": 226.23,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.25549,
    "c": 0.08887,
    "h": 267.2
  },
  "luminance": 0.01575
}

Semantic roles & 50–950 ramp

primary

#101E4D

secondary

#877332

accent

#C23FE9

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #101E4D

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

Preview Lab → · Contrast checker → · Palette generator →