#436CB4#436CB4

#436CB4 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.6% C 0.122 H 260.9°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#436CB4
RGB	rgb(67, 108, 180)
HSL	hsl(218, 46%, 48%)
HSV	hsv(218, 63%, 71%)
CMYK	cmyk(62.8%, 40%, 0%, 29.4%)
CIE-LAB	lab(45.92, 8.66, -42.51)
CIE-LCH	lch(45.92, 43.38, 281.52°)
OKLab	oklab(53.65% -0.0194 -0.1209)
OKLCH	oklch(53.65% 0.122 260.9)
XYZ	xyz(15.9126, 15.2123, 45.2688)
Luminance	0.1521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CB4 #B48B43

analogous

#43A4B4 #436CB4 #5243B4

triadic

#436CB4 #B4436C #6CB443

tetradic

#436CB4 #B443A4 #B48B43 #43B452

square

#436CB4 #B443A4 #B48B43 #43B452

split-complementary

#436CB4 #B45243 #A4B443

monochromatic

#22365B #325187 #436CB4 #6C8DC8 #99B0D9

Accessibility & contrast

On white

5.19

#436CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#436CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CB4

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CB4	#FFFFFF	#000000	##FFFFFF
##436CB4	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C72B7

Deuteranopia (green-blind)

#3C68B2

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #436cb4;
/* rgb */ color: rgb(67, 108, 180);
/* oklch */ color: oklch(53.6% 0.122 260.9);

Tailwind

colors: {
  custom: {
    50: '#8295cb',
    500: '#436cb4',
    950: '#000000',
  },
}

SCSS

$custom: #436cb4;
$custom-light: #8295cb;
$custom-dark: #000000;

JSON

{
  "hex": "#436cb4",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 180
  },
  "hsl": {
    "h": 218.23,
    "s": 45.749,
    "l": 48.431
  },
  "oklch": {
    "l": 0.53648,
    "c": 0.12242,
    "h": 260.9
  },
  "luminance": 0.15214
}

Semantic roles & 50–950 ramp

primary

#436CB4

secondary

#C5B18E

accent

#A652D5

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436CB4

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

Preview Lab → · Contrast checker → · Palette generator →