#101850#101850

#101850 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.5% C 0.102 H 270.5°. Best body text is #FFFFFF at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#101850
RGB	rgb(16, 24, 80)
HSL	hsl(233, 67%, 19%)
HSV	hsv(233, 80%, 31%)
CMYK	cmyk(80%, 70%, 0%, 68.6%)
CIE-LAB	lab(11.57, 18.93, -35.32)
CIE-LCH	lch(11.57, 40.08, 298.18°)
OKLab	oklab(24.52% 0.0008 -0.1021)
OKLCH	oklch(24.52% 0.102 270.5)
XYZ	xyz(1.9878, 1.3424, 7.7422)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101850 #504810

analogous

#103850 #101850 #281050

triadic

#101850 #501018 #185010

tetradic

#101850 #501038 #504810 #105028

square

#101850 #501038 #504810 #105028

split-complementary

#101850 #502810 #385010

monochromatic

#05081A #06091D #101850 #1A2783 #2437B6

Accessibility & contrast

On white

16.55

#101850 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#101850 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101850

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101850	#FFFFFF	#000000	##FFFFFF
##101850	1.00	16.55	1.27	16.55
#FFFFFF	16.55	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002252

Deuteranopia (green-blind)

#001C4F

Tritanopia (blue-blind)

#002731

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101850;
/* rgb */ color: rgb(16, 24, 80);
/* oklch */ color: oklch(24.5% 0.102 270.5);

Tailwind

colors: {
  custom: {
    50: '#5a5482',
    500: '#101850',
    950: '#000000',
  },
}

SCSS

$custom: #101850;
$custom-light: #5a5482;
$custom-dark: #000000;

JSON

{
  "hex": "#101850",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 80
  },
  "hsl": {
    "h": 232.5,
    "s": 66.667,
    "l": 18.824
  },
  "oklch": {
    "l": 0.24519,
    "c": 0.10209,
    "h": 270.5
  },
  "luminance": 0.01343
}

Semantic roles & 50–950 ramp

primary

#101850

secondary

#8A7F32

accent

#D43EEA

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020A

muted

#79787C

Preview Lab

Preview with #101850

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

Preview Lab → · Contrast checker → · Palette generator →