#101A43#101A43

#101A43 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 23.7% C 0.079 H 269.2°. Best body text is #FFFFFF at 16.79:1 contrast (WCAG AA passes).

Color values

HEX	#101A43
RGB	rgb(16, 26, 67)
HSL	hsl(228, 61%, 16%)
HSV	hsv(228, 76%, 26%)
CMYK	cmyk(76.1%, 61.2%, 0%, 73.7%)
CIE-LAB	lab(10.95, 11.87, -27.32)
CIE-LCH	lch(10.95, 29.79, 293.49°)
OKLab	oklab(23.68% -0.001 -0.0785)
OKLCH	oklch(23.68% 0.079 269.2)
XYZ	xyz(1.5959, 1.2540, 5.4671)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101A43 #433910

analogous

#103443 #101A43 #201043

triadic

#101A43 #43101A #1A4310

tetradic

#101A43 #431034 #433910 #104320

square

#101A43 #431034 #433910 #104320

split-complementary

#101A43 #432010 #344310

monochromatic

#060A19 #060A19 #101A43 #1C2D74 #2840A6

Accessibility & contrast

On white

16.79

#101A43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#101A43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101A43

16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101A43	#FFFFFF	#000000	##FFFFFF
##101A43	1.00	16.79	1.25	16.79
#FFFFFF	16.79	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012044

Deuteranopia (green-blind)

#001B42

Tritanopia (blue-blind)

#00242B

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #101a43;
/* rgb */ color: rgb(16, 26, 67);
/* oklch */ color: oklch(23.7% 0.079 269.2);

Tailwind

colors: {
  custom: {
    50: '#565677',
    500: '#101a43',
    950: '#000000',
  },
}

SCSS

$custom: #101a43;
$custom-light: #565677;
$custom-dark: #000000;

JSON

{
  "hex": "#101a43",
  "rgb": {
    "r": 16,
    "g": 26,
    "b": 67
  },
  "hsl": {
    "h": 228.235,
    "s": 61.446,
    "l": 16.275
  },
  "oklch": {
    "l": 0.23679,
    "c": 0.07856,
    "h": 269.2
  },
  "luminance": 0.01254
}

Semantic roles & 50–950 ramp

primary

#101A43

secondary

#7D6E32

accent

#C543E5

background

#F5F5F7

surface

#E9E8ED

border

#C5C4C8

text

#030309

muted

#78787B

Preview Lab

Preview with #101A43

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

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