#143257#143257

#143257 is a dark, moderate cyan. Relative luminance 0.031; OKLCH L 31.5% C 0.076 H 255.1°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#143257
RGB	rgb(20, 50, 87)
HSL	hsl(213, 63%, 21%)
HSV	hsv(213, 77%, 34%)
CMYK	cmyk(77%, 42.5%, 0%, 65.9%)
CIE-LAB	lab(20.51, 3.22, -25.61)
CIE-LCH	lch(20.51, 25.81, 277.16°)
OKLab	oklab(31.54% -0.0194 -0.073)
OKLCH	oklch(31.54% 0.076 255.1)
XYZ	xyz(3.1488, 3.1177, 9.4508)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#143257 #573914

analogous

#145357 #143257 #171457

triadic

#143257 #571432 #325714

tetradic

#143257 #571453 #573914 #145717

square

#143257 #571453 #573914 #145717

split-complementary

#143257 #571714 #535714

monochromatic

#060E19 #091525 #143257 #1F4F89 #2B6BBB

Accessibility & contrast

On white

12.93

#143257 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#143257 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #143257

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##143257	#FFFFFF	#000000	##FFFFFF
##143257	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213558

Deuteranopia (green-blind)

#172F56

Tritanopia (blue-blind)

#003B40

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #143257;
/* rgb */ color: rgb(20, 50, 87);
/* oklch */ color: oklch(31.5% 0.076 255.1);

Tailwind

colors: {
  custom: {
    50: '#5b6986',
    500: '#143257',
    950: '#000000',
  },
}

SCSS

$custom: #143257;
$custom-light: #5b6986;
$custom-dark: #000000;

JSON

{
  "hex": "#143257",
  "rgb": {
    "r": 20,
    "g": 50,
    "b": 87
  },
  "hsl": {
    "h": 213.134,
    "s": 62.617,
    "l": 20.98
  },
  "oklch": {
    "l": 0.31543,
    "c": 0.07553,
    "h": 255.1
  },
  "luminance": 0.03118
}

Semantic roles & 50–950 ramp

primary

#143257

secondary

#8F6838

accent

#9C42E6

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #143257

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

Preview Lab → · Contrast checker → · Palette generator →