#133D7E#133D7E

#133D7E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.2% C 0.120 H 259.3°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#133D7E
RGB	rgb(19, 61, 126)
HSL	hsl(216, 74%, 28%)
HSV	hsv(216, 85%, 49%)
CMYK	cmyk(84.9%, 51.6%, 0%, 50.6%)
CIE-LAB	lab(26.68, 11.76, -40.84)
CIE-LCH	lch(26.68, 42.50, 286.06°)
OKLab	oklab(37.17% -0.0223 -0.1176)
OKLCH	oklch(37.17% 0.12 259.3)
XYZ	xyz(5.7018, 4.9816, 20.3956)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D7E #7E5413

analogous

#13727E #133D7E #1F137E

triadic

#133D7E #7E133D #3D7E13

tetradic

#133D7E #7E1372 #7E5413 #137E1F

square

#133D7E #7E1372 #7E5413 #137E1F

split-complementary

#133D7E #7E1F13 #727E13

monochromatic

#040D1B #0B2349 #133D7E #1B57B3 #2C72DF

Accessibility & contrast

On white

10.52

#133D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#133D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D7E

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D7E	#FFFFFF	#000000	##FFFFFF
##133D7E	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154480

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #133d7e;
/* rgb */ color: rgb(19, 61, 126);
/* oklch */ color: oklch(37.2% 0.120 259.3);

Tailwind

colors: {
  custom: {
    50: '#6571a4',
    500: '#133d7e',
    950: '#000000',
  },
}

SCSS

$custom: #133d7e;
$custom-light: #6571a4;
$custom-dark: #000000;

JSON

{
  "hex": "#133d7e",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 126
  },
  "hsl": {
    "h": 216.449,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3717,
    "c": 0.11967,
    "h": 259.3
  },
  "luminance": 0.04982
}

Semantic roles & 50–950 ramp

primary

#133D7E

secondary

#B48439

accent

#A837F0

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #133D7E

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

Preview Lab → · Contrast checker → · Palette generator →