#436BB8#436BB8

#436BB8 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.7% C 0.129 H 262.2°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#436BB8
RGB	rgb(67, 107, 184)
HSL	hsl(219, 47%, 49%)
HSV	hsv(219, 64%, 72%)
CMYK	cmyk(63.6%, 41.8%, 0%, 27.8%)
CIE-LAB	lab(45.86, 10.69, -44.93)
CIE-LCH	lch(45.86, 46.18, 283.38°)
OKLab	oklab(53.67% -0.0175 -0.128)
OKLCH	oklch(53.67% 0.129 262.2)
XYZ	xyz(16.2211, 15.1679, 47.4110)
Luminance	0.1517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BB8 #B89043

analogous

#43A6B8 #436BB8 #5543B8

triadic

#436BB8 #B8436B #6BB843

tetradic

#436BB8 #B843A6 #B89043 #43B855

square

#436BB8 #B843A6 #B89043 #43B855

split-complementary

#436BB8 #B85543 #A6B843

monochromatic

#22375E #33518B #436BB8 #6E8ECA #9BB1DB

Accessibility & contrast

On white

5.21

#436BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#436BB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BB8

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BB8	#FFFFFF	#000000	##FFFFFF
##436BB8	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4872BB

Deuteranopia (green-blind)

#3768B6

Tritanopia (blue-blind)

#007C88

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #436bb8;
/* rgb */ color: rgb(67, 107, 184);
/* oklch */ color: oklch(53.7% 0.129 262.2);

Tailwind

colors: {
  custom: {
    50: '#8294ce',
    500: '#436bb8',
    950: '#000000',
  },
}

SCSS

$custom: #436bb8;
$custom-light: #8294ce;
$custom-dark: #000000;

JSON

{
  "hex": "#436bb8",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 184
  },
  "hsl": {
    "h": 219.487,
    "s": 46.614,
    "l": 49.216
  },
  "oklch": {
    "l": 0.53674,
    "c": 0.12919,
    "h": 262.2
  },
  "luminance": 0.15169
}

Semantic roles & 50–950 ramp

primary

#436BB8

secondary

#C7B490

accent

#A952D6

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436BB8

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

Preview Lab → · Contrast checker → · Palette generator →