#3438B2#3438B2

#3438B2 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.4% C 0.188 H 273.5°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#3438B2
RGB	rgb(52, 56, 178)
HSL	hsl(238, 55%, 45%)
HSV	hsv(238, 71%, 70%)
CMYK	cmyk(70.8%, 68.5%, 0%, 30.2%)
CIE-LAB	lab(31.28, 38.85, -65.04)
CIE-LCH	lch(31.28, 75.76, 300.85°)
OKLab	oklab(42.37% 0.0115 -0.188)
OKLCH	oklch(42.37% 0.188 273.5)
XYZ	xyz(10.8635, 6.7717, 42.8454)
Luminance	0.0677 (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

#3438B2 #B2AE34

analogous

#3477B2 #3438B2 #6F34B2

triadic

#3438B2 #B23438 #38B234

tetradic

#3438B2 #B23477 #B2AE34 #34B26F

square

#3438B2 #B23477 #B2AE34 #34B26F

split-complementary

#3438B2 #B26F34 #77B234

monochromatic

#181A53 #262983 #3438B2 #5659CE #8588DB

Accessibility & contrast

On white

8.92

#3438B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3438B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3438B2

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3438B2	#FFFFFF	#000000	##FFFFFF
##3438B2	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB6

Deuteranopia (green-blind)

#0044B0

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3438b2;
/* rgb */ color: rgb(52, 56, 178);
/* oklch */ color: oklch(42.4% 0.188 273.5);

Tailwind

colors: {
  custom: {
    50: '#7d6fca',
    500: '#3438b2',
    950: '#000000',
  },
}

SCSS

$custom: #3438b2;
$custom-light: #7d6fca;
$custom-dark: #000000;

JSON

{
  "hex": "#3438b2",
  "rgb": {
    "r": 52,
    "g": 56,
    "b": 178
  },
  "hsl": {
    "h": 238.095,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42368,
    "c": 0.18833,
    "h": 273.5
  },
  "luminance": 0.06773
}

Semantic roles & 50–950 ramp

primary

#3438B2

secondary

#C5C37D

accent

#D94ADE

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3438B2

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

Preview Lab → · Contrast checker → · Palette generator →