#101339#101339

#101339 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.1% C 0.073 H 274.9°. Best body text is #FFFFFF at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#101339
RGB	rgb(16, 19, 57)
HSL	hsl(236, 56%, 14%)
HSV	hsv(236, 72%, 22%)
CMYK	cmyk(71.9%, 66.7%, 0%, 77.6%)
CIE-LAB	lab(7.87, 13.05, -25.20)
CIE-LCH	lch(7.87, 28.37, 297.37°)
OKLab	oklab(21.09% 0.0062 -0.0724)
OKLCH	oklch(21.09% 0.073 274.9)
XYZ	xyz(1.1848, 0.8712, 3.9758)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.25

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101339 #393610

analogous

#102839 #101339 #221039

triadic

#101339 #391013 #133910

tetradic

#101339 #391028 #393610 #103922

square

#101339 #391028 #393610 #103922

split-complementary

#101339 #392210 #283910

monochromatic

#070818 #070818 #101339 #1D2369 #2B3399

Accessibility & contrast

On white

17.88

#101339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#101339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101339

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101339	#FFFFFF	#000000	##FFFFFF
##101339	1.00	17.88	1.17	17.88
#FFFFFF	17.88	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193A

Deuteranopia (green-blind)

#001638

Tritanopia (blue-blind)

#001C23

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #101339;
/* rgb */ color: rgb(16, 19, 57);
/* oklch */ color: oklch(21.1% 0.073 274.9);

Tailwind

colors: {
  custom: {
    50: '#545070',
    500: '#101339',
    950: '#000000',
  },
}

SCSS

$custom: #101339;
$custom-light: #545070;
$custom-dark: #000000;

JSON

{
  "hex": "#101339",
  "rgb": {
    "r": 16,
    "g": 19,
    "b": 57
  },
  "hsl": {
    "h": 235.61,
    "s": 56.164,
    "l": 14.314
  },
  "oklch": {
    "l": 0.21093,
    "c": 0.07268,
    "h": 274.9
  },
  "luminance": 0.00871
}

Semantic roles & 50–950 ramp

primary

#101339

secondary

#736E32

accent

#D448DF

background

#F5F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #101339

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

Preview Lab → · Contrast checker → · Palette generator →