#3136B1#3136B1

#3136B1 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.8% C 0.190 H 272.8°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#3136B1
RGB	rgb(49, 54, 177)
HSL	hsl(238, 57%, 44%)
HSV	hsv(238, 72%, 69%)
CMYK	cmyk(72.3%, 69.5%, 0%, 30.6%)
CIE-LAB	lab(30.56, 39.39, -65.64)
CIE-LCH	lch(30.56, 76.55, 300.96°)
OKLab	oklab(41.77% 0.0094 -0.1898)
OKLCH	oklch(41.77% 0.19 272.8)
XYZ	xyz(10.5189, 6.4646, 42.2799)
Luminance	0.0647 (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

#3136B1 #B1AC31

analogous

#3176B1 #3136B1 #6C31B1

triadic

#3136B1 #B13136 #36B131

tetradic

#3136B1 #B13176 #B1AC31 #31B16C

square

#3136B1 #B13176 #B1AC31 #31B16C

split-complementary

#3136B1 #B16C31 #76B131

monochromatic

#161951 #242781 #3136B1 #5155CF #8084DC

Accessibility & contrast

On white

9.16

#3136B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3136B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3136B1

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3136B1	#FFFFFF	#000000	##FFFFFF
##3136B1	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB5

Deuteranopia (green-blind)

#0042AF

Tritanopia (blue-blind)

#00586F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3136b1;
/* rgb */ color: rgb(49, 54, 177);
/* oklch */ color: oklch(41.8% 0.190 272.8);

Tailwind

colors: {
  custom: {
    50: '#7c6ec9',
    500: '#3136b1',
    950: '#000000',
  },
}

SCSS

$custom: #3136b1;
$custom-light: #7c6ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3136b1",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 177
  },
  "hsl": {
    "h": 237.656,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41766,
    "c": 0.19005,
    "h": 272.8
  },
  "luminance": 0.06466
}

Semantic roles & 50–950 ramp

primary

#3136B1

secondary

#C5C279

accent

#DA48E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3136B1

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

Preview Lab → · Contrast checker → · Palette generator →