#10323B#10323B

#10323B is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.7% C 0.042 H 218.2°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#10323B
RGB	rgb(16, 50, 59)
HSL	hsl(193, 57%, 15%)
HSV	hsv(193, 73%, 23%)
CMYK	cmyk(72.9%, 15.3%, 0%, 76.9%)
CIE-LAB	lab(18.83, -8.87, -9.33)
CIE-LCH	lch(18.83, 12.87, 226.47°)
OKLab	oklab(29.67% -0.033 -0.026)
OKLCH	oklch(29.67% 0.042 218.2)
XYZ	xyz(2.1434, 2.7069, 4.5464)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10323B #3B1910

analogous

#103B2F #10323B #101D3B

triadic

#10323B #3B1032 #323B10

tetradic

#10323B #2F103B #3B1910 #1D3B10

square

#10323B #2F103B #3B1910 #1D3B10

split-complementary

#10323B #3B101D #3B2F10

monochromatic

#071418 #071418 #10323B #1D5B6B #2A849B

Accessibility & contrast

On white

13.62

#10323B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#10323B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10323B

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10323B	#FFFFFF	#000000	##FFFFFF
##10323B	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C303B

Deuteranopia (green-blind)

#262C3B

Tritanopia (blue-blind)

#003535

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #10323b;
/* rgb */ color: rgb(16, 50, 59);
/* oklch */ color: oklch(29.7% 0.042 218.2);

Tailwind

colors: {
  custom: {
    50: '#546a70',
    500: '#10323b',
    950: '#000000',
  },
}

SCSS

$custom: #10323b;
$custom-light: #546a70;
$custom-dark: #000000;

JSON

{
  "hex": "#10323b",
  "rgb": {
    "r": 16,
    "g": 50,
    "b": 59
  },
  "hsl": {
    "h": 192.558,
    "s": 57.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.29672,
    "c": 0.042,
    "h": 218.2
  },
  "luminance": 0.02707
}

Semantic roles & 50–950 ramp

primary

#10323B

secondary

#754032

accent

#6747E1

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #10323B

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

Preview Lab → · Contrast checker → · Palette generator →