#133F6C#133F6C

#133F6C is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.3% C 0.091 H 252.3°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#133F6C
RGB	rgb(19, 63, 108)
HSL	hsl(210, 70%, 25%)
HSV	hsv(210, 82%, 42%)
CMYK	cmyk(82.4%, 41.7%, 0%, 57.6%)
CIE-LAB	lab(26.09, 2.79, -30.40)
CIE-LCH	lch(26.09, 30.53, 275.25°)
OKLab	oklab(36.31% -0.0278 -0.0868)
OKLCH	oklch(36.31% 0.091 252.3)
XYZ	xyz(4.7518, 4.7756, 14.8558)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F6C #6C4013

analogous

#136C6C #133F6C #13136C

triadic

#133F6C #6C133F #3F6C13

tetradic

#133F6C #6C136C #6C4013 #136C13

square

#133F6C #6C136C #6C4013 #136C13

split-complementary

#133F6C #6C1313 #6C6C13

monochromatic

#050F1A #0A2138 #133F6C #1C5DA0 #257CD4

Accessibility & contrast

On white

10.74

#133F6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#133F6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F6C

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F6C	#FFFFFF	#000000	##FFFFFF
##133F6C	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29426E

Deuteranopia (green-blind)

#1B3A6B

Tritanopia (blue-blind)

#004A50

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #133f6c;
/* rgb */ color: rgb(19, 63, 108);
/* oklch */ color: oklch(36.3% 0.091 252.3);

Tailwind

colors: {
  custom: {
    50: '#607396',
    500: '#133f6c',
    950: '#000000',
  },
}

SCSS

$custom: #133f6c;
$custom-light: #607396;
$custom-dark: #000000;

JSON

{
  "hex": "#133f6c",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 108
  },
  "hsl": {
    "h": 210.337,
    "s": 70.079,
    "l": 24.902
  },
  "oklch": {
    "l": 0.36314,
    "c": 0.09115,
    "h": 252.3
  },
  "luminance": 0.04776
}

Semantic roles & 50–950 ramp

primary

#133F6C

secondary

#A36E38

accent

#953BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #133F6C

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

Preview Lab → · Contrast checker → · Palette generator →