#101C43#101C43

#101C43 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.076 H 267.6°. Best body text is #FFFFFF at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#101C43
RGB	rgb(16, 28, 67)
HSL	hsl(226, 61%, 16%)
HSV	hsv(226, 76%, 26%)
CMYK	cmyk(76.1%, 58.2%, 0%, 73.7%)
CIE-LAB	lab(11.59, 10.32, -26.28)
CIE-LCH	lch(11.59, 28.23, 291.43°)
OKLab	oklab(24.16% -0.0032 -0.0755)
OKLCH	oklch(24.16% 0.076 267.6)
XYZ	xyz(1.6417, 1.3458, 5.4823)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C43 #433710

analogous

#103643 #101C43 #1E1043

triadic

#101C43 #43101C #1C4310

tetradic

#101C43 #431036 #433710 #10431E

square

#101C43 #431036 #433710 #10431E

split-complementary

#101C43 #431E10 #364310

monochromatic

#060A19 #060A19 #101C43 #1C3174 #2845A6

Accessibility & contrast

On white

16.55

#101C43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#101C43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C43

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C43	#FFFFFF	#000000	##FFFFFF
##101C43	1.00	16.55	1.27	16.55
#FFFFFF	16.55	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#052144

Deuteranopia (green-blind)

#001C42

Tritanopia (blue-blind)

#00252C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #101c43;
/* rgb */ color: rgb(16, 28, 67);
/* oklch */ color: oklch(24.2% 0.076 267.6);

Tailwind

colors: {
  custom: {
    50: '#565777',
    500: '#101c43',
    950: '#000000',
  },
}

SCSS

$custom: #101c43;
$custom-light: #565777;
$custom-dark: #000000;

JSON

{
  "hex": "#101c43",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 67
  },
  "hsl": {
    "h": 225.882,
    "s": 61.446,
    "l": 16.275
  },
  "oklch": {
    "l": 0.24163,
    "c": 0.07553,
    "h": 267.6
  },
  "luminance": 0.01346
}

Semantic roles & 50–950 ramp

primary

#101C43

secondary

#7D6B32

accent

#BF43E5

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #101C43

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

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