#133B70#133B70

#133B70 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.6% C 0.102 H 256.9°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#133B70
RGB	rgb(19, 59, 112)
HSL	hsl(214, 71%, 26%)
HSV	hsv(214, 83%, 44%)
CMYK	cmyk(83%, 47.3%, 0%, 56.1%)
CIE-LAB	lab(25.06, 7.26, -34.59)
CIE-LCH	lch(25.06, 35.34, 281.85°)
OKLab	oklab(35.6% -0.0231 -0.0992)
OKLCH	oklch(35.6% 0.102 256.9)
XYZ	xyz(4.7561, 4.4357, 15.9316)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B70 #704813

analogous

#136970 #133B70 #1A1370

triadic

#133B70 #70133B #3B7013

tetradic

#133B70 #701369 #704813 #13701A

square

#133B70 #701369 #704813 #13701A

split-complementary

#133B70 #701A13 #697013

monochromatic

#040E1A #0A1F3C #133B70 #1C57A4 #2572D9

Accessibility & contrast

On white

11.13

#133B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#133B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B70

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B70	#FFFFFF	#000000	##FFFFFF
##133B70	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4072

Deuteranopia (green-blind)

#0A386F

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133b70;
/* rgb */ color: rgb(19, 59, 112);
/* oklch */ color: oklch(35.6% 0.102 256.9);

Tailwind

colors: {
  custom: {
    50: '#617099',
    500: '#133b70',
    950: '#000000',
  },
}

SCSS

$custom: #133b70;
$custom-light: #617099;
$custom-dark: #000000;

JSON

{
  "hex": "#133b70",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 112
  },
  "hsl": {
    "h": 214.194,
    "s": 70.992,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35604,
    "c": 0.10188,
    "h": 256.9
  },
  "luminance": 0.04436
}

Semantic roles & 50–950 ramp

primary

#133B70

secondary

#A77738

accent

#A03AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133B70

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

Preview Lab → · Contrast checker → · Palette generator →