#101535#101535

#101535 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.2% C 0.063 H 273.2°. Best body text is #FFFFFF at 17.78:1 contrast (WCAG AA passes).

Color values

HEX	#101535
RGB	rgb(16, 21, 53)
HSL	hsl(232, 54%, 14%)
HSV	hsv(232, 70%, 21%)
CMYK	cmyk(69.8%, 60.4%, 0%, 79.2%)
CIE-LAB	lab(8.16, 9.79, -21.83)
CIE-LCH	lch(8.16, 23.93, 294.14°)
OKLab	oklab(21.2% 0.0035 -0.0625)
OKLCH	oklch(21.2% 0.063 273.2)
XYZ	xyz(1.1242, 0.9034, 3.4826)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.72

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101535 #353010

analogous

#102735 #101535 #1D1035

triadic

#101535 #351015 #153510

tetradic

#101535 #351027 #353010 #10351D

square

#101535 #351027 #353010 #10351D

split-complementary

#101535 #351D10 #273510

monochromatic

#070918 #070918 #101535 #1E2864 #2C3A93

Accessibility & contrast

On white

17.78

#101535 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#101535 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101535

17.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101535	#FFFFFF	#000000	##FFFFFF
##101535	1.00	17.78	1.18	17.78
#FFFFFF	17.78	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051936

Deuteranopia (green-blind)

#011634

Tritanopia (blue-blind)

#001C22

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #101535;
/* rgb */ color: rgb(16, 21, 53);
/* oklch */ color: oklch(21.2% 0.063 273.2);

Tailwind

colors: {
  custom: {
    50: '#52516c',
    500: '#101535',
    950: '#000000',
  },
}

SCSS

$custom: #101535;
$custom-light: #52516c;
$custom-dark: #000000;

JSON

{
  "hex": "#101535",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 53
  },
  "hsl": {
    "h": 231.892,
    "s": 53.623,
    "l": 13.529
  },
  "oklch": {
    "l": 0.21201,
    "c": 0.06258,
    "h": 273.2
  },
  "luminance": 0.00904
}

Semantic roles & 50–950 ramp

primary

#101535

secondary

#6F6632

accent

#C94BDD

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020207

muted

#78787A

Preview Lab

Preview with #101535

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

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