#10343B#10343B

#10343B is a dark, muted teal. Relative luminance 0.029; OKLCH L 30.3% C 0.042 H 212.6°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#10343B
RGB	rgb(16, 52, 59)
HSL	hsl(190, 57%, 15%)
HSV	hsv(190, 73%, 23%)
CMYK	cmyk(72.9%, 11.9%, 0%, 76.9%)
CIE-LAB	lab(19.56, -10.14, -8.22)
CIE-LCH	lch(19.56, 13.05, 219.03°)
OKLab	oklab(30.26% -0.0356 -0.0228)
OKLCH	oklch(30.26% 0.042 212.6)
XYZ	xyz(2.2308, 2.8817, 4.5755)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10343B #3B1710

analogous

#103B2C #10343B #101F3B

triadic

#10343B #3B1034 #343B10

tetradic

#10343B #2C103B #3B1710 #1F3B10

square

#10343B #2C103B #3B1710 #1F3B10

split-complementary

#10343B #3B101F #3B2C10

monochromatic

#071518 #071518 #10343B #1D5E6B #2A899B

Accessibility & contrast

On white

13.32

#10343B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#10343B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10343B

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10343B	#FFFFFF	#000000	##FFFFFF
##10343B	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F323B

Deuteranopia (green-blind)

#282D3B

Tritanopia (blue-blind)

#003736

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #10343b;
/* rgb */ color: rgb(16, 52, 59);
/* oklch */ color: oklch(30.3% 0.042 212.6);

Tailwind

colors: {
  custom: {
    50: '#546b70',
    500: '#10343b',
    950: '#000000',
  },
}

SCSS

$custom: #10343b;
$custom-light: #546b70;
$custom-dark: #000000;

JSON

{
  "hex": "#10343b",
  "rgb": {
    "r": 16,
    "g": 52,
    "b": 59
  },
  "hsl": {
    "h": 189.767,
    "s": 57.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.30261,
    "c": 0.0423,
    "h": 212.6
  },
  "luminance": 0.02882
}

Semantic roles & 50–950 ramp

primary

#10343B

secondary

#753D32

accent

#6047E1

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #10343B

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

Preview Lab → · Contrast checker → · Palette generator →