#101139#101139

#101139 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.6% C 0.076 H 276.4°. Best body text is #FFFFFF at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#101139
RGB	rgb(16, 17, 57)
HSL	hsl(239, 56%, 14%)
HSV	hsv(239, 72%, 22%)
CMYK	cmyk(71.9%, 70.2%, 0%, 77.6%)
CIE-LAB	lab(7.28, 14.50, -26.15)
CIE-LCH	lch(7.28, 29.90, 299.02°)
OKLab	oklab(20.64% 0.0084 -0.0753)
OKLCH	oklch(20.64% 0.076 276.4)
XYZ	xyz(1.1524, 0.8064, 3.9650)
Luminance	0.0081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101139 #393810

analogous

#102639 #101139 #241039

triadic

#101139 #391011 #113910

tetradic

#101139 #391026 #393810 #103924

square

#101139 #391026 #393810 #103924

split-complementary

#101139 #392410 #263910

monochromatic

#070718 #070718 #101139 #1D1F69 #2B2E99

Accessibility & contrast

On white

18.08

#101139 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#101139 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101139

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101139	#FFFFFF	#000000	##FFFFFF
##101139	1.00	18.08	1.16	18.08
#FFFFFF	18.08	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183A

Deuteranopia (green-blind)

#001438

Tritanopia (blue-blind)

#001B22

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #101139;
/* rgb */ color: rgb(16, 17, 57);
/* oklch */ color: oklch(20.6% 0.076 276.4);

Tailwind

colors: {
  custom: {
    50: '#544e70',
    500: '#101139',
    950: '#000000',
  },
}

SCSS

$custom: #101139;
$custom-light: #544e70;
$custom-dark: #000000;

JSON

{
  "hex": "#101139",
  "rgb": {
    "r": 16,
    "g": 17,
    "b": 57
  },
  "hsl": {
    "h": 238.537,
    "s": 56.164,
    "l": 14.314
  },
  "oklch": {
    "l": 0.20643,
    "c": 0.07581,
    "h": 276.4
  },
  "luminance": 0.00806
}

Semantic roles & 50–950 ramp

primary

#101139

secondary

#737132

accent

#DC48DF

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #101139

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

Preview Lab → · Contrast checker → · Palette generator →