#101D43#101D43

#101D43 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.4% C 0.074 H 266.7°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#101D43
RGB	rgb(16, 29, 67)
HSL	hsl(225, 61%, 16%)
HSV	hsv(225, 76%, 26%)
CMYK	cmyk(76.1%, 56.7%, 0%, 73.7%)
CIE-LAB	lab(11.92, 9.54, -25.75)
CIE-LCH	lch(11.92, 27.47, 290.33°)
OKLab	oklab(24.41% -0.0043 -0.0739)
OKLCH	oklch(24.41% 0.074 266.7)
XYZ	xyz(1.6658, 1.3940, 5.4904)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101D43 #433610

analogous

#103743 #101D43 #1D1043

triadic

#101D43 #43101D #1D4310

tetradic

#101D43 #431037 #433610 #10431D

square

#101D43 #431037 #433610 #10431D

split-complementary

#101D43 #431D10 #374310

monochromatic

#060B19 #060B19 #101D43 #1C3274 #2848A6

Accessibility & contrast

On white

16.42

#101D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#101D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101D43

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101D43	#FFFFFF	#000000	##FFFFFF
##101D43	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#072244

Deuteranopia (green-blind)

#001D42

Tritanopia (blue-blind)

#00262C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101d43;
/* rgb */ color: rgb(16, 29, 67);
/* oklch */ color: oklch(24.4% 0.074 266.7);

Tailwind

colors: {
  custom: {
    50: '#555877',
    500: '#101d43',
    950: '#000000',
  },
}

SCSS

$custom: #101d43;
$custom-light: #555877;
$custom-dark: #000000;

JSON

{
  "hex": "#101d43",
  "rgb": {
    "r": 16,
    "g": 29,
    "b": 67
  },
  "hsl": {
    "h": 224.706,
    "s": 61.446,
    "l": 16.275
  },
  "oklch": {
    "l": 0.2441,
    "c": 0.07402,
    "h": 266.7
  },
  "luminance": 0.01394
}

Semantic roles & 50–950 ramp

primary

#101D43

secondary

#7D6A32

accent

#BB43E5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #101D43

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

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