#3136B5#3136B5

#3136B5 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.2% C 0.195 H 272.6°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#3136B5
RGB	rgb(49, 54, 181)
HSL	hsl(238, 57%, 45%)
HSV	hsv(238, 73%, 71%)
CMYK	cmyk(72.9%, 70.2%, 0%, 29%)
CIE-LAB	lab(30.94, 40.76, -67.39)
CIE-LCH	lch(30.94, 78.76, 301.17°)
OKLab	oklab(42.16% 0.0089 -0.1949)
OKLCH	oklch(42.16% 0.195 272.6)
XYZ	xyz(10.9235, 6.6264, 44.4104)
Luminance	0.0663 (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

#3136B5 #B5B031

analogous

#3178B5 #3136B5 #6E31B5

triadic

#3136B5 #B53136 #36B531

tetradic

#3136B5 #B53178 #B5B031 #31B56E

square

#3136B5 #B53178 #B5B031 #31B56E

split-complementary

#3136B5 #B56E31 #78B531

monochromatic

#171955 #242885 #3136B5 #5358D0 #8386DD

Accessibility & contrast

On white

9.03

#3136B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3136B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3136B5

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3136B5	#FFFFFF	#000000	##FFFFFF
##3136B5	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB9

Deuteranopia (green-blind)

#0043B3

Tritanopia (blue-blind)

#005971

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3136b5;
/* rgb */ color: rgb(49, 54, 181);
/* oklch */ color: oklch(42.2% 0.195 272.6);

Tailwind

colors: {
  custom: {
    50: '#7d6ecc',
    500: '#3136b5',
    950: '#000000',
  },
}

SCSS

$custom: #3136b5;
$custom-light: #7d6ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#3136b5",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 181
  },
  "hsl": {
    "h": 237.727,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42161,
    "c": 0.19512,
    "h": 272.6
  },
  "luminance": 0.06627
}

Semantic roles & 50–950 ramp

primary

#3136B5

secondary

#C7C47B

accent

#DB47E1

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3136B5

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

Preview Lab → · Contrast checker → · Palette generator →