#4369BB#4369BB

#4369BB is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.4% C 0.136 H 263.7°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#4369BB
RGB	rgb(67, 105, 187)
HSL	hsl(221, 47%, 50%)
HSV	hsv(221, 64%, 73%)
CMYK	cmyk(64.2%, 43.9%, 0%, 26.7%)
CIE-LAB	lab(45.47, 13.01, -47.29)
CIE-LCH	lch(45.47, 49.05, 285.38°)
OKLab	oklab(53.43% -0.0148 -0.135)
OKLCH	oklch(53.43% 0.136 263.7)
XYZ	xyz(16.3328, 14.8828, 49.0160)
Luminance	0.1488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4369BB #BB9543

analogous

#43A5BB #4369BB #5943BB

triadic

#4369BB #BB4369 #69BB43

tetradic

#4369BB #BB43A5 #BB9543 #43BB59

square

#4369BB #BB43A5 #BB9543 #43BB59

split-complementary

#4369BB #BB5943 #A5BB43

monochromatic

#233661 #33508E #4369BB #708DCC #9DB1DC

Accessibility & contrast

On white

5.28

#4369BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#4369BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4369BB

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4369BB	#FFFFFF	#000000	##FFFFFF
##4369BB	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4372BE

Deuteranopia (green-blind)

#2F67B9

Tritanopia (blue-blind)

#007C89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4369bb;
/* rgb */ color: rgb(67, 105, 187);
/* oklch */ color: oklch(53.4% 0.136 263.7);

Tailwind

colors: {
  custom: {
    50: '#8393d0',
    500: '#4369bb',
    950: '#000000',
  },
}

SCSS

$custom: #4369bb;
$custom-light: #8393d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4369bb",
  "rgb": {
    "r": 67,
    "g": 105,
    "b": 187
  },
  "hsl": {
    "h": 221,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.5343,
    "c": 0.13577,
    "h": 263.7
  },
  "luminance": 0.14884
}

Semantic roles & 50–950 ramp

primary

#4369BB

secondary

#C8B792

accent

#AC51D7

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4369BB

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

Preview Lab → · Contrast checker → · Palette generator →