#3438B5#3438B5

#3438B5 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.7% C 0.192 H 273.3°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#3438B5
RGB	rgb(52, 56, 181)
HSL	hsl(238, 55%, 46%)
HSV	hsv(238, 71%, 71%)
CMYK	cmyk(71.3%, 69.1%, 0%, 29%)
CIE-LAB	lab(31.56, 39.88, -66.36)
CIE-LCH	lch(31.56, 77.42, 301.01°)
OKLab	oklab(42.66% 0.0112 -0.1918)
OKLCH	oklch(42.66% 0.192 273.3)
XYZ	xyz(11.1680, 6.8935, 44.4491)
Luminance	0.0689 (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

#3438B5 #B5B134

analogous

#3478B5 #3438B5 #7134B5

triadic

#3438B5 #B53438 #38B534

tetradic

#3438B5 #B53478 #B5B134 #34B571

square

#3438B5 #B53478 #B5B134 #34B571

split-complementary

#3438B5 #B57134 #78B534

monochromatic

#191B56 #262985 #3438B5 #575BCF #878ADC

Accessibility & contrast

On white

8.83

#3438B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3438B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3438B5

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3438B5	#FFFFFF	#000000	##FFFFFF
##3438B5	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B9

Deuteranopia (green-blind)

#0044B3

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3438b5;
/* rgb */ color: rgb(52, 56, 181);
/* oklch */ color: oklch(42.7% 0.192 273.3);

Tailwind

colors: {
  custom: {
    50: '#7e6fcc',
    500: '#3438b5',
    950: '#000000',
  },
}

SCSS

$custom: #3438b5;
$custom-light: #7e6fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3438b5",
  "rgb": {
    "r": 52,
    "g": 56,
    "b": 181
  },
  "hsl": {
    "h": 238.14,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.42657,
    "c": 0.19217,
    "h": 273.3
  },
  "luminance": 0.06895
}

Semantic roles & 50–950 ramp

primary

#3438B5

secondary

#C6C47F

accent

#DA49DF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3438B5

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

Preview Lab → · Contrast checker → · Palette generator →