#133D5F#133D5F

#133D5F is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.075 H 246.8°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#133D5F
RGB	rgb(19, 61, 95)
HSL	hsl(207, 67%, 22%)
HSV	hsv(207, 80%, 37%)
CMYK	cmyk(80%, 35.8%, 0%, 62.7%)
CIE-LAB	lab(24.64, -1.24, -24.31)
CIE-LCH	lch(24.64, 24.34, 267.07°)
OKLab	oklab(34.93% -0.0296 -0.069)
OKLCH	oklch(34.93% 0.075 246.8)
XYZ	xyz(4.0021, 4.3017, 11.4436)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D5F #5F3513

analogous

#135F5B #133D5F #13175F

triadic

#133D5F #5F133D #3D5F13

tetradic

#133D5F #5B135F #5F3513 #175F13

square

#133D5F #5B135F #5F3513 #175F13

split-complementary

#133D5F #5F1317 #5F5B13

monochromatic

#05101A #091C2C #133D5F #1D5E92 #277EC5

Accessibility & contrast

On white

11.29

#133D5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#133D5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D5F

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D5F	#FFFFFF	#000000	##FFFFFF
##133D5F	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3E60

Deuteranopia (green-blind)

#23375E

Tritanopia (blue-blind)

#004549

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133d5f;
/* rgb */ color: rgb(19, 61, 95);
/* oklch */ color: oklch(34.9% 0.075 246.8);

Tailwind

colors: {
  custom: {
    50: '#5d728c',
    500: '#133d5f',
    950: '#000000',
  },
}

SCSS

$custom: #133d5f;
$custom-light: #5d728c;
$custom-dark: #000000;

JSON

{
  "hex": "#133d5f",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 95
  },
  "hsl": {
    "h": 206.842,
    "s": 66.667,
    "l": 22.353
  },
  "oklch": {
    "l": 0.3493,
    "c": 0.07509,
    "h": 246.8
  },
  "luminance": 0.04302
}

Semantic roles & 50–950 ramp

primary

#133D5F

secondary

#976237

accent

#8B3EEA

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #133D5F

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

Preview Lab → · Contrast checker → · Palette generator →