#133A4D#133A4D

#133A4D is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.055 H 233.1°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#133A4D
RGB	rgb(19, 58, 77)
HSL	hsl(200, 60%, 19%)
HSV	hsv(200, 75%, 30%)
CMYK	cmyk(75.3%, 24.7%, 0%, 69.8%)
CIE-LAB	lab(22.65, -6.51, -15.59)
CIE-LCH	lch(22.65, 16.90, 247.35°)
OKLab	oklab(33.04% -0.0328 -0.0438)
OKLCH	oklch(33.04% 0.055 233.1)
XYZ	xyz(3.1206, 3.7000, 7.5695)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A4D #4D2613

analogous

#134D43 #133A4D #131D4D

triadic

#133A4D #4D133A #3A4D13

tetradic

#133A4D #43134D #4D2613 #1D4D13

square

#133A4D #43134D #4D2613 #1D4D13

split-complementary

#133A4D #4D131D #4D4313

monochromatic

#061219 #07151C #133A4D #1F5F7E #2B84AF

Accessibility & contrast

On white

12.07

#133A4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#133A4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A4D

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A4D	#FFFFFF	#000000	##FFFFFF
##133A4D	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31394E

Deuteranopia (green-blind)

#29344D

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #133a4d;
/* rgb */ color: rgb(19, 58, 77);
/* oklch */ color: oklch(33.0% 0.055 233.1);

Tailwind

colors: {
  custom: {
    50: '#59707f',
    500: '#133a4d',
    950: '#000000',
  },
}

SCSS

$custom: #133a4d;
$custom-light: #59707f;
$custom-dark: #000000;

JSON

{
  "hex": "#133a4d",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 77
  },
  "hsl": {
    "h": 199.655,
    "s": 60.417,
    "l": 18.824
  },
  "oklch": {
    "l": 0.33038,
    "c": 0.05472,
    "h": 233.1
  },
  "luminance": 0.037
}

Semantic roles & 50–950 ramp

primary

#133A4D

secondary

#865036

accent

#7844E4

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #133A4D

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

Preview Lab → · Contrast checker → · Palette generator →