#3138C2#3138C2

#3138C2 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.8% C 0.209 H 271.7°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#3138C2
RGB	rgb(49, 56, 194)
HSL	hsl(237, 60%, 48%)
HSV	hsv(237, 75%, 76%)
CMYK	cmyk(74.7%, 71.1%, 0%, 23.9%)
CIE-LAB	lab(32.65, 44.01, -72.26)
CIE-LCH	lch(32.65, 84.60, 301.35°)
OKLab	oklab(43.77% 0.0061 -0.2091)
OKLCH	oklch(43.77% 0.209 271.7)
XYZ	xyz(12.4151, 7.3750, 51.7977)
Luminance	0.0738 (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

#3138C2 #C2BB31

analogous

#3181C2 #3138C2 #7231C2

triadic

#3138C2 #C23138 #38C231

tetradic

#3138C2 #C23181 #C2BB31 #31C272

square

#3138C2 #C23181 #C2BB31 #31C272

split-complementary

#3138C2 #C27231 #81C231

monochromatic

#181C60 #252A91 #3138C2 #5B61D6 #8C90E2

Accessibility & contrast

On white

8.48

#3138C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3138C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3138C2

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3138C2	#FFFFFF	#000000	##FFFFFF
##3138C2	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C6

Deuteranopia (green-blind)

#0046BF

Tritanopia (blue-blind)

#005F79

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3138c2;
/* rgb */ color: rgb(49, 56, 194);
/* oklch */ color: oklch(43.8% 0.209 271.7);

Tailwind

colors: {
  custom: {
    50: '#8070d6',
    500: '#3138c2',
    950: '#000000',
  },
}

SCSS

$custom: #3138c2;
$custom-light: #8070d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3138c2",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 194
  },
  "hsl": {
    "h": 237.103,
    "s": 59.671,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43769,
    "c": 0.20921,
    "h": 271.7
  },
  "luminance": 0.07376
}

Semantic roles & 50–950 ramp

primary

#3138C2

secondary

#CCC883

accent

#DB45E3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3138C2

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

Preview Lab → · Contrast checker → · Palette generator →