#3138E2#3138E2

#3138E2 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 47.1% C 0.247 H 270.3°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#3138E2
RGB	rgb(49, 56, 226)
HSL	hsl(238, 75%, 54%)
HSV	hsv(238, 78%, 89%)
CMYK	cmyk(78.3%, 75.2%, 0%, 11.4%)
CIE-LAB	lab(35.93, 54.55, -85.36)
CIE-LCH	lch(35.93, 101.30, 302.58°)
OKLab	oklab(47.08% 0.0012 -0.2472)
OKLCH	oklch(47.08% 0.247 270.3)
XYZ	xyz(16.4036, 8.9704, 72.8037)
Luminance	0.0897 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.38

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3138E2 #E2DB31

analogous

#3191E2 #3138E2 #8331E2

triadic

#3138E2 #E23138 #38E231

tetradic

#3138E2 #E23191 #E2DB31 #31E283

square

#3138E2 #E23191 #E2DB31 #31E283

split-complementary

#3138E2 #E28331 #91E231

monochromatic

#131786 #1A21BB #3138E2 #676CEA #9CA0F1

Accessibility & contrast

On white

7.52

#3138E2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3138E2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3138E2

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3138E2	#FFFFFF	#000000	##FFFFFF
##3138E2	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DE7

Deuteranopia (green-blind)

#004BDF

Tritanopia (blue-blind)

#006B8B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3138e2;
/* rgb */ color: rgb(49, 56, 226);
/* oklch */ color: oklch(47.1% 0.247 270.3);

Tailwind

colors: {
  custom: {
    50: '#8771ed',
    500: '#3138e2',
    950: '#000000',
  },
}

SCSS

$custom: #3138e2;
$custom-light: #8771ed;
$custom-dark: #000000;

JSON

{
  "hex": "#3138e2",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 226
  },
  "hsl": {
    "h": 237.627,
    "s": 75.319,
    "l": 53.922
  },
  "oklch": {
    "l": 0.47079,
    "c": 0.24722,
    "h": 270.3
  },
  "luminance": 0.08972
}

Semantic roles & 50–950 ramp

primary

#3138E2

secondary

#DDDA92

accent

#EA36F2

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #3138E2

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

Preview Lab → · Contrast checker → · Palette generator →