#133F75#133F75

#133F75 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 37.0% C 0.104 H 255.8°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#133F75
RGB	rgb(19, 63, 117)
HSL	hsl(213, 72%, 27%)
HSV	hsv(213, 84%, 46%)
CMYK	cmyk(83.8%, 46.2%, 0%, 54.1%)
CIE-LAB	lab(26.67, 6.57, -35.19)
CIE-LCH	lch(26.67, 35.80, 280.57°)
OKLab	oklab(36.96% -0.0256 -0.1009)
OKLCH	oklch(36.96% 0.104 255.8)
XYZ	xyz(5.2558, 4.9772, 17.5099)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F75 #754913

analogous

#137075 #133F75 #181375

triadic

#133F75 #75133F #3F7513

tetradic

#133F75 #751370 #754913 #137518

square

#133F75 #751370 #754913 #137518

split-complementary

#133F75 #751813 #707513

monochromatic

#040E1A #0A2340 #133F75 #1C5BAA #2778DC

Accessibility & contrast

On white

10.52

#133F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#133F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F75

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F75	#FFFFFF	#000000	##FFFFFF
##133F75	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234477

Deuteranopia (green-blind)

#0F3B74

Tritanopia (blue-blind)

#004C54

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #133f75;
/* rgb */ color: rgb(19, 63, 117);
/* oklch */ color: oklch(37.0% 0.104 255.8);

Tailwind

colors: {
  custom: {
    50: '#62739d',
    500: '#133f75',
    950: '#000000',
  },
}

SCSS

$custom: #133f75;
$custom-light: #62739d;
$custom-dark: #000000;

JSON

{
  "hex": "#133f75",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 117
  },
  "hsl": {
    "h": 213.061,
    "s": 72.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36958,
    "c": 0.1041,
    "h": 255.8
  },
  "luminance": 0.04978
}

Semantic roles & 50–950 ramp

primary

#133F75

secondary

#AB7838

accent

#9D39EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #133F75

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

Preview Lab → · Contrast checker → · Palette generator →