#133A4B#133A4B

#133A4B is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.9% C 0.053 H 230.2°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#133A4B
RGB	rgb(19, 58, 75)
HSL	hsl(198, 60%, 18%)
HSV	hsv(198, 75%, 29%)
CMYK	cmyk(74.7%, 22.7%, 0%, 70.6%)
CIE-LAB	lab(22.56, -7.29, -14.41)
CIE-LCH	lch(22.56, 16.15, 243.18°)
OKLab	oklab(32.93% -0.0337 -0.0404)
OKLCH	oklch(32.93% 0.053 230.2)
XYZ	xyz(3.0511, 3.6722, 7.2033)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A4B #4B2413

analogous

#134B40 #133A4B #131E4B

triadic

#133A4B #4B133A #3A4B13

tetradic

#133A4B #40134B #4B2413 #1E4B13

square

#133A4B #40134B #4B2413 #1E4B13

split-complementary

#133A4B #4B131E #4B4013

monochromatic

#061318 #07141A #133A4B #1F607C #2C86AD

Accessibility & contrast

On white

12.11

#133A4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#133A4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A4B

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A4B	#FFFFFF	#000000	##FFFFFF
##133A4B	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31394C

Deuteranopia (green-blind)

#2A334B

Tritanopia (blue-blind)

#003F40

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #133a4b;
/* rgb */ color: rgb(19, 58, 75);
/* oklch */ color: oklch(32.9% 0.053 230.2);

Tailwind

colors: {
  custom: {
    50: '#59707d',
    500: '#133a4b',
    950: '#000000',
  },
}

SCSS

$custom: #133a4b;
$custom-light: #59707d;
$custom-dark: #000000;

JSON

{
  "hex": "#133a4b",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 75
  },
  "hsl": {
    "h": 198.214,
    "s": 59.574,
    "l": 18.431
  },
  "oklch": {
    "l": 0.32929,
    "c": 0.05258,
    "h": 230.2
  },
  "luminance": 0.03673
}

Semantic roles & 50–950 ramp

primary

#133A4B

secondary

#844E36

accent

#7545E3

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #133A4B

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

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