#133757#133757

#133757 is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 32.8% C 0.070 H 248.5°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#133757
RGB	rgb(19, 55, 87)
HSL	hsl(208, 64%, 21%)
HSV	hsv(208, 78%, 34%)
CMYK	cmyk(78.2%, 36.8%, 0%, 65.9%)
CIE-LAB	lab(22.16, -0.45, -23.00)
CIE-LCH	lch(22.16, 23.00, 268.87°)
OKLab	oklab(32.82% -0.0257 -0.0653)
OKLCH	oklch(32.82% 0.07 248.5)
XYZ	xyz(3.3544, 3.5586, 9.5251)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133757 #573313

analogous

#135755 #133757 #131557

triadic

#133757 #571337 #375713

tetradic

#133757 #551357 #573313 #155713

square

#133757 #551357 #573313 #155713

split-complementary

#133757 #571315 #575513

monochromatic

#051019 #081725 #133757 #1E5789 #2977BB

Accessibility & contrast

On white

12.27

#133757 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#133757 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133757

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133757	#FFFFFF	#000000	##FFFFFF
##133757	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283958

Deuteranopia (green-blind)

#1F3256

Tritanopia (blue-blind)

#003F43

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #133757;
/* rgb */ color: rgb(19, 55, 87);
/* oklch */ color: oklch(32.8% 0.070 248.5);

Tailwind

colors: {
  custom: {
    50: '#5b6d86',
    500: '#133757',
    950: '#000000',
  },
}

SCSS

$custom: #133757;
$custom-light: #5b6d86;
$custom-dark: #000000;

JSON

{
  "hex": "#133757",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 87
  },
  "hsl": {
    "h": 208.235,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.3282,
    "c": 0.07015,
    "h": 248.5
  },
  "luminance": 0.03559
}

Semantic roles & 50–950 ramp

primary

#133757

secondary

#8F6036

accent

#8F41E7

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133757

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

Preview Lab → · Contrast checker → · Palette generator →