#133B4E#133B4E

#133B4E is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.4% C 0.055 H 232.5°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#133B4E
RGB	rgb(19, 59, 78)
HSL	hsl(199, 61%, 19%)
HSV	hsv(199, 76%, 31%)
CMYK	cmyk(75.6%, 24.4%, 0%, 69.4%)
CIE-LAB	lab(23.05, -6.77, -15.64)
CIE-LCH	lch(23.05, 17.04, 246.60°)
OKLab	oklab(33.37% -0.0336 -0.0439)
OKLCH	oklch(33.37% 0.055 232.5)
XYZ	xyz(3.2071, 3.8161, 7.7738)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B4E #4E2613

analogous

#134E44 #133B4E #131E4E

triadic

#133B4E #4E133B #3B4E13

tetradic

#133B4E #44134E #4E2613 #1E4E13

square

#133B4E #44134E #4E2613 #1E4E13

split-complementary

#133B4E #4E131E #4E4413

monochromatic

#061319 #07161D #133B4E #1F607F #2B85B0

Accessibility & contrast

On white

11.91

#133B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#133B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B4E

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B4E	#FFFFFF	#000000	##FFFFFF
##133B4E	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4F

Deuteranopia (green-blind)

#2A344E

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #133b4e;
/* rgb */ color: rgb(19, 59, 78);
/* oklch */ color: oklch(33.4% 0.055 232.5);

Tailwind

colors: {
  custom: {
    50: '#59707f',
    500: '#133b4e',
    950: '#000000',
  },
}

SCSS

$custom: #133b4e;
$custom-light: #59707f;
$custom-dark: #000000;

JSON

{
  "hex": "#133b4e",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 199.322,
    "s": 60.825,
    "l": 19.02
  },
  "oklch": {
    "l": 0.33373,
    "c": 0.05529,
    "h": 232.5
  },
  "luminance": 0.03816
}

Semantic roles & 50–950 ramp

primary

#133B4E

secondary

#875036

accent

#7744E4

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #133B4E

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

Preview Lab → · Contrast checker → · Palette generator →