#101357#101357

#101357 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.4% C 0.119 H 271.6°. Best body text is #FFFFFF at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#101357
RGB	rgb(16, 19, 87)
HSL	hsl(237, 69%, 20%)
HSV	hsv(237, 82%, 34%)
CMYK	cmyk(81.6%, 78.2%, 0%, 65.9%)
CIE-LAB	lab(11.02, 25.30, -41.00)
CIE-LCH	lch(11.02, 48.18, 301.68°)
OKLab	oklab(24.35% 0.0033 -0.1187)
OKLCH	oklch(24.35% 0.119 271.6)
XYZ	xyz(2.1663, 1.2638, 9.1447)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101357 #575410

analogous

#103657 #101357 #311057

triadic

#101357 #571013 #135710

tetradic

#101357 #571036 #575410 #105731

square

#101357 #571036 #575410 #105731

split-complementary

#101357 #573110 #365710

monochromatic

#05061A #060823 #101357 #1A1E8B #232ABE

Accessibility & contrast

On white

16.76

#101357 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#101357 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101357

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101357	#FFFFFF	#000000	##FFFFFF
##101357	1.00	16.76	1.25	16.76
#FFFFFF	16.76	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002159

Deuteranopia (green-blind)

#001A56

Tritanopia (blue-blind)

#002633

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #101357;
/* rgb */ color: rgb(16, 19, 87);
/* oklch */ color: oklch(24.4% 0.119 271.6);

Tailwind

colors: {
  custom: {
    50: '#5c5187',
    500: '#101357',
    950: '#000000',
  },
}

SCSS

$custom: #101357;
$custom-light: #5c5187;
$custom-dark: #000000;

JSON

{
  "hex": "#101357",
  "rgb": {
    "r": 16,
    "g": 19,
    "b": 87
  },
  "hsl": {
    "h": 237.465,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.24352,
    "c": 0.11872,
    "h": 271.6
  },
  "luminance": 0.01264
}

Semantic roles & 50–950 ramp

primary

#101357

secondary

#908C32

accent

#E43CEC

background

#F5F4F8

surface

#E9E7F0

border

#C5C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #101357

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

Preview Lab → · Contrast checker → · Palette generator →