#101E5E#101E5E

#101E5E is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.2% C 0.115 H 268.0°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#101E5E
RGB	rgb(16, 30, 94)
HSL	hsl(229, 71%, 22%)
HSV	hsv(229, 83%, 37%)
CMYK	cmyk(83%, 68.1%, 0%, 63.1%)
CIE-LAB	lab(14.66, 20.36, -39.72)
CIE-LCH	lch(14.66, 44.63, 297.14°)
OKLab	oklab(27.23% -0.0041 -0.1149)
OKLCH	oklch(27.23% 0.115 268)
XYZ	xyz(2.6976, 1.8466, 10.8017)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101E5E #5E5010

analogous

#10455E #101E5E #29105E

triadic

#101E5E #5E101E #1E5E10

tetradic

#101E5E #5E1045 #5E5010 #105E29

square

#101E5E #5E1045 #5E5010 #105E29

split-complementary

#101E5E #5E2910 #455E10

monochromatic

#04081A #070D2A #101E5E #192F92 #223FC7

Accessibility & contrast

On white

15.34

#101E5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#101E5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101E5E

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101E5E	#FFFFFF	#000000	##FFFFFF
##101E5E	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002960

Deuteranopia (green-blind)

#00215D

Tritanopia (blue-blind)

#002F3A

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #101e5e;
/* rgb */ color: rgb(16, 30, 94);
/* oklch */ color: oklch(27.2% 0.115 268.0);

Tailwind

colors: {
  custom: {
    50: '#5d598c',
    500: '#101e5e',
    950: '#000000',
  },
}

SCSS

$custom: #101e5e;
$custom-light: #5d598c;
$custom-dark: #000000;

JSON

{
  "hex": "#101e5e",
  "rgb": {
    "r": 16,
    "g": 30,
    "b": 94
  },
  "hsl": {
    "h": 229.231,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.27225,
    "c": 0.11498,
    "h": 268
  },
  "luminance": 0.01847
}

Semantic roles & 50–950 ramp

primary

#101E5E

secondary

#978533

accent

#CD3AEE

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #101E5E

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

Preview Lab → · Contrast checker → · Palette generator →