#3438B7#3438B7

#3438B7 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.9% C 0.195 H 273.2°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#3438B7
RGB	rgb(52, 56, 183)
HSL	hsl(238, 56%, 46%)
HSV	hsv(238, 72%, 72%)
CMYK	cmyk(71.6%, 69.4%, 0%, 28.2%)
CIE-LAB	lab(31.75, 40.57, -67.23)
CIE-LCH	lch(31.75, 78.52, 301.11°)
OKLab	oklab(42.85% 0.0109 -0.1944)
OKLCH	oklch(42.85% 0.195 273.2)
XYZ	xyz(11.3747, 6.9762, 45.5376)
Luminance	0.0698 (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

#3438B7 #B7B334

analogous

#3479B7 #3438B7 #7134B7

triadic

#3438B7 #B73438 #38B734

tetradic

#3438B7 #B73479 #B7B334 #34B771

square

#3438B7 #B73479 #B7B334 #34B771

split-complementary

#3438B7 #B77134 #79B734

monochromatic

#191B58 #262987 #3438B7 #595CD0 #888BDD

Accessibility & contrast

On white

8.77

#3438B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3438B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3438B7

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3438B7	#FFFFFF	#000000	##FFFFFF
##3438B7	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BB

Deuteranopia (green-blind)

#0045B5

Tritanopia (blue-blind)

#005B73

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3438b7;
/* rgb */ color: rgb(52, 56, 183);
/* oklch */ color: oklch(42.9% 0.195 273.2);

Tailwind

colors: {
  custom: {
    50: '#7e6fce',
    500: '#3438b7',
    950: '#000000',
  },
}

SCSS

$custom: #3438b7;
$custom-light: #7e6fce;
$custom-dark: #000000;

JSON

{
  "hex": "#3438b7",
  "rgb": {
    "r": 52,
    "g": 56,
    "b": 183
  },
  "hsl": {
    "h": 238.168,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42851,
    "c": 0.19471,
    "h": 273.2
  },
  "luminance": 0.06977
}

Semantic roles & 50–950 ramp

primary

#3438B7

secondary

#C7C580

accent

#DA49DF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3438B7

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

Preview Lab → · Contrast checker → · Palette generator →