#3136B4#3136B4

#3136B4 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.1% C 0.194 H 272.7°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#3136B4
RGB	rgb(49, 54, 180)
HSL	hsl(238, 57%, 45%)
HSV	hsv(238, 73%, 71%)
CMYK	cmyk(72.8%, 70%, 0%, 29.4%)
CIE-LAB	lab(30.84, 40.42, -66.95)
CIE-LCH	lch(30.84, 78.21, 301.12°)
OKLab	oklab(42.06% 0.0091 -0.1936)
OKLCH	oklch(42.06% 0.194 272.7)
XYZ	xyz(10.8212, 6.5855, 43.8720)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3136B4 #B4AF31

analogous

#3177B4 #3136B4 #6E31B4

triadic

#3136B4 #B43136 #36B431

tetradic

#3136B4 #B43177 #B4AF31 #31B46E

square

#3136B4 #B43177 #B4AF31 #31B46E

split-complementary

#3136B4 #B46E31 #77B431

monochromatic

#171954 #242884 #3136B4 #5257D0 #8286DD

Accessibility & contrast

On white

9.06

#3136B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3136B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3136B4

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3136B4	#FFFFFF	#000000	##FFFFFF
##3136B4	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB8

Deuteranopia (green-blind)

#0042B2

Tritanopia (blue-blind)

#005971

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3136b4;
/* rgb */ color: rgb(49, 54, 180);
/* oklch */ color: oklch(42.1% 0.194 272.7);

Tailwind

colors: {
  custom: {
    50: '#7d6ecc',
    500: '#3136b4',
    950: '#000000',
  },
}

SCSS

$custom: #3136b4;
$custom-light: #7d6ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#3136b4",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 180
  },
  "hsl": {
    "h": 237.71,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42062,
    "c": 0.19386,
    "h": 272.7
  },
  "luminance": 0.06587
}

Semantic roles & 50–950 ramp

primary

#3136B4

secondary

#C6C37B

accent

#DB47E0

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3136B4

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

Preview Lab → · Contrast checker → · Palette generator →