#133C5E#133C5E

#133C5E is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.075 H 247.3°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#133C5E
RGB	rgb(19, 60, 94)
HSL	hsl(207, 66%, 22%)
HSV	hsv(207, 80%, 37%)
CMYK	cmyk(79.8%, 36.2%, 0%, 63.1%)
CIE-LAB	lab(24.25, -0.98, -24.28)
CIE-LCH	lch(24.25, 24.30, 267.69°)
OKLab	oklab(34.6% -0.0288 -0.0689)
OKLCH	oklch(34.6% 0.075 247.3)
XYZ	xyz(3.9040, 4.1779, 11.1882)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C5E #5E3513

analogous

#135E5B #133C5E #13165E

triadic

#133C5E #5E133C #3C5E13

tetradic

#133C5E #5B135E #5E3513 #165E13

square

#133C5E #5B135E #5E3513 #165E13

split-complementary

#133C5E #5E1316 #5E5B13

monochromatic

#051019 #091C2B #133C5E #1D5C91 #287DC4

Accessibility & contrast

On white

11.44

#133C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#133C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C5E

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C5E	#FFFFFF	#000000	##FFFFFF
##133C5E	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3D5F

Deuteranopia (green-blind)

#22365D

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133c5e;
/* rgb */ color: rgb(19, 60, 94);
/* oklch */ color: oklch(34.6% 0.075 247.3);

Tailwind

colors: {
  custom: {
    50: '#5d718c',
    500: '#133c5e',
    950: '#000000',
  },
}

SCSS

$custom: #133c5e;
$custom-light: #5d718c;
$custom-dark: #000000;

JSON

{
  "hex": "#133c5e",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 94
  },
  "hsl": {
    "h": 207.2,
    "s": 66.372,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34601,
    "c": 0.07474,
    "h": 247.3
  },
  "luminance": 0.04178
}

Semantic roles & 50–950 ramp

primary

#133C5E

secondary

#966237

accent

#8C3FE9

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #133C5E

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

Preview Lab → · Contrast checker → · Palette generator →