#3138C5#3138C5

#3138C5 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.1% C 0.213 H 271.5°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#3138C5
RGB	rgb(49, 56, 197)
HSL	hsl(237, 60%, 48%)
HSV	hsv(237, 75%, 77%)
CMYK	cmyk(75.1%, 71.6%, 0%, 22.7%)
CIE-LAB	lab(32.94, 45.03, -73.52)
CIE-LCH	lch(32.94, 86.21, 301.48°)
OKLab	oklab(44.07% 0.0057 -0.2128)
OKLCH	oklch(44.07% 0.213 271.5)
XYZ	xyz(12.7554, 7.5112, 53.5901)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.22

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3138C5 #C5BE31

analogous

#3182C5 #3138C5 #7431C5

triadic

#3138C5 #C53138 #38C531

tetradic

#3138C5 #C53182 #C5BE31 #31C574

square

#3138C5 #C53182 #C5BE31 #31C574

split-complementary

#3138C5 #C57431 #82C531

monochromatic

#191C63 #252A94 #3138C5 #5D62D7 #8E92E3

Accessibility & contrast

On white

8.39

#3138C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3138C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3138C5

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3138C5	#FFFFFF	#000000	##FFFFFF
##3138C5	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C9

Deuteranopia (green-blind)

#0046C2

Tritanopia (blue-blind)

#00607B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3138c5;
/* rgb */ color: rgb(49, 56, 197);
/* oklch */ color: oklch(44.1% 0.213 271.5);

Tailwind

colors: {
  custom: {
    50: '#8170d8',
    500: '#3138c5',
    950: '#000000',
  },
}

SCSS

$custom: #3138c5;
$custom-light: #8170d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3138c5",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 197
  },
  "hsl": {
    "h": 237.162,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44071,
    "c": 0.21289,
    "h": 271.5
  },
  "luminance": 0.07513
}

Semantic roles & 50–950 ramp

primary

#3138C5

secondary

#CDCA85

accent

#DC44E3

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3138C5

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

Preview Lab → · Contrast checker → · Palette generator →