#101438#101438

#101438 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.2% C 0.069 H 274.1°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#101438
RGB	rgb(16, 20, 56)
HSL	hsl(234, 56%, 14%)
HSV	hsv(234, 71%, 22%)
CMYK	cmyk(71.4%, 64.3%, 0%, 78%)
CIE-LAB	lab(8.09, 11.84, -24.11)
CIE-LCH	lch(8.09, 26.87, 296.16°)
OKLab	oklab(21.23% 0.005 -0.0692)
OKLCH	oklch(21.23% 0.069 274.1)
XYZ	xyz(1.1774, 0.8959, 3.8515)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101438 #383410

analogous

#102838 #101438 #201038

triadic

#101438 #381014 #143810

tetradic

#101438 #381028 #383410 #103820

square

#101438 #381028 #383410 #103820

split-complementary

#101438 #382010 #283810

monochromatic

#070818 #070818 #101438 #1E2568 #2B3697

Accessibility & contrast

On white

17.81

#101438 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#101438 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101438

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101438	#FFFFFF	#000000	##FFFFFF
##101438	1.00	17.81	1.18	17.81
#FFFFFF	17.81	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001939

Deuteranopia (green-blind)

#001637

Tritanopia (blue-blind)

#001C23

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #101438;
/* rgb */ color: rgb(16, 20, 56);
/* oklch */ color: oklch(21.2% 0.069 274.1);

Tailwind

colors: {
  custom: {
    50: '#53516f',
    500: '#101438',
    950: '#000000',
  },
}

SCSS

$custom: #101438;
$custom-light: #53516f;
$custom-dark: #000000;

JSON

{
  "hex": "#101438",
  "rgb": {
    "r": 16,
    "g": 20,
    "b": 56
  },
  "hsl": {
    "h": 234,
    "s": 55.556,
    "l": 14.118
  },
  "oklch": {
    "l": 0.21231,
    "c": 0.0694,
    "h": 274.1
  },
  "luminance": 0.00896
}

Semantic roles & 50–950 ramp

primary

#101438

secondary

#726B32

accent

#D049DF

background

#F4F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #101438

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

Preview Lab → · Contrast checker → · Palette generator →