#10343E#10343E

#10343E is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.4% C 0.044 H 219.4°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#10343E
RGB	rgb(16, 52, 62)
HSL	hsl(193, 59%, 15%)
HSV	hsv(193, 74%, 24%)
CMYK	cmyk(74.2%, 16.1%, 0%, 75.7%)
CIE-LAB	lab(19.69, -9.01, -10.06)
CIE-LCH	lch(19.69, 13.51, 228.16°)
OKLab	oklab(30.41% -0.0342 -0.028)
OKLCH	oklch(30.41% 0.044 219.4)
XYZ	xyz(2.3108, 2.9137, 4.9971)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10343E #3E1A10

analogous

#103E31 #10343E #101D3E

triadic

#10343E #3E1034 #343E10

tetradic

#10343E #31103E #3E1A10 #1D3E10

square

#10343E #31103E #3E1A10 #1D3E10

split-complementary

#10343E #3E101D #3E3110

monochromatic

#061418 #061418 #10343E #1D5D6F #29869F

Accessibility & contrast

On white

13.27

#10343E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#10343E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10343E

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10343E	#FFFFFF	#000000	##FFFFFF
##10343E	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E323F

Deuteranopia (green-blind)

#272E3E

Tritanopia (blue-blind)

#003737

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #10343e;
/* rgb */ color: rgb(16, 52, 62);
/* oklch */ color: oklch(30.4% 0.044 219.4);

Tailwind

colors: {
  custom: {
    50: '#556b73',
    500: '#10343e',
    950: '#000000',
  },
}

SCSS

$custom: #10343e;
$custom-light: #556b73;
$custom-dark: #000000;

JSON

{
  "hex": "#10343e",
  "rgb": {
    "r": 16,
    "g": 52,
    "b": 62
  },
  "hsl": {
    "h": 193.043,
    "s": 58.974,
    "l": 15.294
  },
  "oklch": {
    "l": 0.3041,
    "c": 0.04419,
    "h": 219.4
  },
  "luminance": 0.02914
}

Semantic roles & 50–950 ramp

primary

#10343E

secondary

#784132

accent

#6846E2

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #10343E

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

Preview Lab → · Contrast checker → · Palette generator →