#101E5D#101E5D

#101E5D is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.1% C 0.114 H 268.0°. Best body text is #FFFFFF at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#101E5D
RGB	rgb(16, 30, 93)
HSL	hsl(229, 71%, 21%)
HSV	hsv(229, 83%, 36%)
CMYK	cmyk(82.8%, 67.7%, 0%, 63.5%)
CIE-LAB	lab(14.56, 19.94, -39.22)
CIE-LCH	lch(14.56, 44.00, 296.95°)
OKLab	oklab(27.12% -0.004 -0.1134)
OKLCH	oklch(27.12% 0.114 268)
XYZ	xyz(2.6531, 1.8287, 10.5670)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E5D #5D4F10

analogous

#10455D #101E5D #29105D

triadic

#101E5D #5D101E #1E5D10

tetradic

#101E5D #5D1045 #5D4F10 #105D29

square

#101E5D #5D1045 #5D4F10 #105D29

split-complementary

#101E5D #5D2910 #455D10

monochromatic

#04081A #070D29 #101E5D #192F91 #2240C5

Accessibility & contrast

On white

15.38

#101E5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#101E5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E5D

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E5D	#FFFFFF	#000000	##FFFFFF
##101E5D	1.00	15.38	1.37	15.38
#FFFFFF	15.38	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285F

Deuteranopia (green-blind)

#00215C

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #101e5d;
/* rgb */ color: rgb(16, 30, 93);
/* oklch */ color: oklch(27.1% 0.114 268.0);

Tailwind

colors: {
  custom: {
    50: '#5d598c',
    500: '#101e5d',
    950: '#000000',
  },
}

SCSS

$custom: #101e5d;
$custom-light: #5d598c;
$custom-dark: #000000;

JSON

{
  "hex": "#101e5d",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 93
  },
  "hsl": {
    "h": 229.091,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.27122,
    "c": 0.1135,
    "h": 268
  },
  "luminance": 0.01829
}

Semantic roles & 50–950 ramp

primary

#101E5D

secondary

#968433

accent

#CD3AED

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #101E5D

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

Preview Lab → · Contrast checker → · Palette generator →