#101439#101439

#101439 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.3% C 0.071 H 274.0°. Best body text is #FFFFFF at 17.78:1 contrast (WCAG AA passes).

Color values

HEX	#101439
RGB	rgb(16, 20, 57)
HSL	hsl(234, 56%, 14%)
HSV	hsv(234, 72%, 22%)
CMYK	cmyk(71.9%, 64.9%, 0%, 77.6%)
CIE-LAB	lab(8.18, 12.27, -24.69)
CIE-LCH	lch(8.18, 27.57, 296.42°)
OKLab	oklab(21.33% 0.005 -0.0709)
OKLCH	oklch(21.33% 0.071 274)
XYZ	xyz(1.2021, 0.9058, 3.9816)
Luminance	0.0091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101439 #393510

analogous

#102939 #101439 #211039

triadic

#101439 #391014 #143910

tetradic

#101439 #391029 #393510 #103921

square

#101439 #391029 #393510 #103921

split-complementary

#101439 #392110 #293910

monochromatic

#070818 #070818 #101439 #1D2569 #2B3699

Accessibility & contrast

On white

17.78

#101439 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#101439 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101439

17.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101439	#FFFFFF	#000000	##FFFFFF
##101439	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)

#001A3A

Deuteranopia (green-blind)

#001638

Tritanopia (blue-blind)

#001D24

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #101439;
/* rgb */ color: rgb(16, 20, 57);
/* oklch */ color: oklch(21.3% 0.071 274.0);

Tailwind

colors: {
  custom: {
    50: '#545170',
    500: '#101439',
    950: '#000000',
  },
}

SCSS

$custom: #101439;
$custom-light: #545170;
$custom-dark: #000000;

JSON

{
  "hex": "#101439",
  "rgb": {
    "r": 16,
    "g": 20,
    "b": 57
  },
  "hsl": {
    "h": 234.146,
    "s": 56.164,
    "l": 14.314
  },
  "oklch": {
    "l": 0.21325,
    "c": 0.0711,
    "h": 274
  },
  "luminance": 0.00906
}

Semantic roles & 50–950 ramp

primary

#101439

secondary

#736C32

accent

#D148DF

background

#F5F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #101439

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

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