#3438CC#3438CC

#3438CC is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.9% C 0.221 H 272.1°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#3438CC
RGB	rgb(52, 56, 204)
HSL	hsl(238, 60%, 50%)
HSV	hsv(238, 75%, 80%)
CMYK	cmyk(74.5%, 72.5%, 0%, 20%)
CIE-LAB	lab(33.81, 47.63, -76.17)
CIE-LCH	lch(33.81, 89.84, 302.02°)
OKLab	oklab(44.94% 0.0079 -0.2205)
OKLCH	oklch(44.94% 0.221 272.1)
XYZ	xyz(13.7258, 7.9166, 57.9197)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.48

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3438CC #CCC834

analogous

#3484CC #3438CC #7C34CC

triadic

#3438CC #CC3438 #38CC34

tetradic

#3438CC #CC3484 #CCC834 #34CC7C

square

#3438CC #CC3484 #CCC834 #34CC7C

split-complementary

#3438CC #CC7C34 #84CC34

monochromatic

#1B1D6B #272A9C #3438CC #6568D8 #9698E5

Accessibility & contrast

On white

8.13

#3438CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3438CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3438CC

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3438CC	#FFFFFF	#000000	##FFFFFF
##3438CC	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D0

Deuteranopia (green-blind)

#0048C9

Tritanopia (blue-blind)

#00627F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3438cc;
/* rgb */ color: rgb(52, 56, 204);
/* oklch */ color: oklch(44.9% 0.221 272.1);

Tailwind

colors: {
  custom: {
    50: '#8370dd',
    500: '#3438cc',
    950: '#000000',
  },
}

SCSS

$custom: #3438cc;
$custom-light: #8370dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3438cc",
  "rgb": {
    "r": 52,
    "g": 56,
    "b": 204
  },
  "hsl": {
    "h": 238.421,
    "s": 59.843,
    "l": 50.196
  },
  "oklch": {
    "l": 0.44944,
    "c": 0.22061,
    "h": 272.1
  },
  "luminance": 0.07918
}

Semantic roles & 50–950 ramp

primary

#3438CC

secondary

#D0CE8C

accent

#DF45E3

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3438CC

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

Preview Lab → · Contrast checker → · Palette generator →