#10343C#10343C

#10343C is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.3% C 0.043 H 214.9°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#10343C
RGB	rgb(16, 52, 60)
HSL	hsl(191, 58%, 15%)
HSV	hsv(191, 73%, 24%)
CMYK	cmyk(73.3%, 13.3%, 0%, 76.5%)
CIE-LAB	lab(19.61, -9.76, -8.83)
CIE-LCH	lch(19.61, 13.17, 222.14°)
OKLab	oklab(30.31% -0.0351 -0.0245)
OKLCH	oklch(30.31% 0.043 214.9)
XYZ	xyz(2.2570, 2.8921, 4.7134)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10343C #3C1810

analogous

#103C2E #10343C #101E3C

triadic

#10343C #3C1034 #343C10

tetradic

#10343C #2E103C #3C1810 #1E3C10

square

#10343C #2E103C #3C1810 #1E3C10

split-complementary

#10343C #3C101E #3C2E10

monochromatic

#061518 #061518 #10343C #1D5E6C #2A889D

Accessibility & contrast

On white

13.30

#10343C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#10343C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10343C

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10343C	#FFFFFF	#000000	##FFFFFF
##10343C	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E323C

Deuteranopia (green-blind)

#282D3C

Tritanopia (blue-blind)

#003736

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #10343c;
/* rgb */ color: rgb(16, 52, 60);
/* oklch */ color: oklch(30.3% 0.043 214.9);

Tailwind

colors: {
  custom: {
    50: '#546b71',
    500: '#10343c',
    950: '#000000',
  },
}

SCSS

$custom: #10343c;
$custom-light: #546b71;
$custom-dark: #000000;

JSON

{
  "hex": "#10343c",
  "rgb": {
    "r": 16,
    "g": 52,
    "b": 60
  },
  "hsl": {
    "h": 190.909,
    "s": 57.895,
    "l": 14.902
  },
  "oklch": {
    "l": 0.3031,
    "c": 0.04286,
    "h": 214.9
  },
  "luminance": 0.02892
}

Semantic roles & 50–950 ramp

primary

#10343C

secondary

#763E32

accent

#6347E1

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #10343C

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

Preview Lab → · Contrast checker → · Palette generator →