#133257#133257

#133257 is a dark, moderate cyan. Relative luminance 0.031; OKLCH L 31.5% C 0.076 H 254.6°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#133257
RGB	rgb(19, 50, 87)
HSL	hsl(213, 64%, 21%)
HSV	hsv(213, 78%, 34%)
CMYK	cmyk(78.2%, 42.5%, 0%, 65.9%)
CIE-LAB	lab(20.47, 3.05, -25.67)
CIE-LCH	lch(20.47, 25.85, 276.78°)
OKLab	oklab(31.5% -0.0202 -0.0732)
OKLCH	oklch(31.5% 0.076 254.6)
XYZ	xyz(3.1288, 3.1074, 9.4499)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133257 #573813

analogous

#135457 #133257 #161357

triadic

#133257 #571332 #325713

tetradic

#133257 #571354 #573813 #135716

square

#133257 #571354 #573813 #135716

split-complementary

#133257 #571613 #545713

monochromatic

#050E19 #081525 #133257 #1E4F89 #296CBB

Accessibility & contrast

On white

12.95

#133257 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#133257 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133257

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133257	#FFFFFF	#000000	##FFFFFF
##133257	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213558

Deuteranopia (green-blind)

#162E56

Tritanopia (blue-blind)

#003B40

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #133257;
/* rgb */ color: rgb(19, 50, 87);
/* oklch */ color: oklch(31.5% 0.076 254.6);

Tailwind

colors: {
  custom: {
    50: '#5b6986',
    500: '#133257',
    950: '#000000',
  },
}

SCSS

$custom: #133257;
$custom-light: #5b6986;
$custom-dark: #000000;

JSON

{
  "hex": "#133257",
  "rgb": {
    "r": 19,
    "g": 50,
    "b": 87
  },
  "hsl": {
    "h": 212.647,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.315,
    "c": 0.07593,
    "h": 254.6
  },
  "luminance": 0.03108
}

Semantic roles & 50–950 ramp

primary

#133257

secondary

#8F6736

accent

#9B41E7

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #133257

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

Preview Lab → · Contrast checker → · Palette generator →