#133F7C#133F7C

#133F7C is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 37.5% C 0.114 H 257.8°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#133F7C
RGB	rgb(19, 63, 124)
HSL	hsl(215, 73%, 28%)
HSV	hsv(215, 85%, 49%)
CMYK	cmyk(84.7%, 49.2%, 0%, 51.4%)
CIE-LAB	lab(27.15, 9.51, -38.83)
CIE-LCH	lch(27.15, 39.98, 283.77°)
OKLab	oklab(37.49% -0.0242 -0.1116)
OKLCH	oklch(37.49% 0.114 257.8)
XYZ	xyz(5.6828, 5.1480, 19.7590)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F7C #7C5013

analogous

#13737C #133F7C #1B137C

triadic

#133F7C #7C133F #3F7C13

tetradic

#133F7C #7C1373 #7C5013 #137C1B

square

#133F7C #7C1373 #7C5013 #137C1B

split-complementary

#133F7C #7C1B13 #737C13

monochromatic

#040D1B #0B2447 #133F7C #1B5AB1 #2B76DF

Accessibility & contrast

On white

10.35

#133F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#133F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F7C

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F7C	#FFFFFF	#000000	##FFFFFF
##133F7C	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D457E

Deuteranopia (green-blind)

#003C7B

Tritanopia (blue-blind)

#004E57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #133f7c;
/* rgb */ color: rgb(19, 63, 124);
/* oklch */ color: oklch(37.5% 0.114 257.8);

Tailwind

colors: {
  custom: {
    50: '#6473a2',
    500: '#133f7c',
    950: '#000000',
  },
}

SCSS

$custom: #133f7c;
$custom-light: #6473a2;
$custom-dark: #000000;

JSON

{
  "hex": "#133f7c",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 124
  },
  "hsl": {
    "h": 214.857,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37486,
    "c": 0.11421,
    "h": 257.8
  },
  "luminance": 0.05149
}

Semantic roles & 50–950 ramp

primary

#133F7C

secondary

#B27F39

accent

#A338F0

background

#F6F6FA

surface

#EBECF3

border

#C6C7CD

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #133F7C

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

Preview Lab → · Contrast checker → · Palette generator →