#3438CF#3438CF

#3438CF is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.3% C 0.224 H 271.9°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3438CF
RGB	rgb(52, 56, 207)
HSL	hsl(238, 62%, 51%)
HSV	hsv(238, 75%, 81%)
CMYK	cmyk(74.9%, 72.9%, 0%, 18.8%)
CIE-LAB	lab(34.11, 48.62, -77.42)
CIE-LCH	lch(34.11, 91.42, 302.13°)
OKLab	oklab(45.25% 0.0075 -0.2241)
OKLCH	oklch(45.25% 0.224 271.9)
XYZ	xyz(14.0890, 8.0619, 59.8330)
Luminance	0.0806 (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

#3438CF #CFCB34

analogous

#3485CF #3438CF #7E34CF

triadic

#3438CF #CF3438 #38CF34

tetradic

#3438CF #CF3485 #CFCB34 #34CF7E

square

#3438CF #CF3485 #CFCB34 #34CF7E

split-complementary

#3438CF #CF7E34 #85CF34

monochromatic

#1A1C6E #2629A0 #3438CF #6569DB #9799E6

Accessibility & contrast

On white

8.04

#3438CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3438CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3438CF

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3438CF	#FFFFFF	#000000	##FFFFFF
##3438CF	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D3

Deuteranopia (green-blind)

#0049CC

Tritanopia (blue-blind)

#006480

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3438cf;
/* rgb */ color: rgb(52, 56, 207);
/* oklch */ color: oklch(45.3% 0.224 271.9);

Tailwind

colors: {
  custom: {
    50: '#8470df',
    500: '#3438cf',
    950: '#000000',
  },
}

SCSS

$custom: #3438cf;
$custom-light: #8470df;
$custom-dark: #000000;

JSON

{
  "hex": "#3438cf",
  "rgb": {
    "r": 52,
    "g": 56,
    "b": 207
  },
  "hsl": {
    "h": 238.452,
    "s": 61.753,
    "l": 50.784
  },
  "oklch": {
    "l": 0.4525,
    "c": 0.22421,
    "h": 271.9
  },
  "luminance": 0.08063
}

Semantic roles & 50–950 ramp

primary

#3438CF

secondary

#D2D08D

accent

#E143E5

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3438CF

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

Preview Lab → · Contrast checker → · Palette generator →