#436BC5#436BC5

#436BC5 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.5% C 0.147 H 264.1°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#436BC5
RGB	rgb(67, 107, 197)
HSL	hsl(222, 53%, 52%)
HSV	hsv(222, 66%, 77%)
CMYK	cmyk(66%, 45.7%, 0%, 22.7%)
CIE-LAB	lab(46.63, 15.29, -51.22)
CIE-LCH	lch(46.63, 53.46, 286.62°)
OKLab	oklab(54.51% -0.0151 -0.1465)
OKLCH	oklch(54.51% 0.147 264.1)
XYZ	xyz(17.6470, 15.7382, 54.9203)
Luminance	0.1574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BC5 #C59D43

analogous

#43ACC5 #436BC5 #5C43C5

triadic

#436BC5 #C5436B #6BC543

tetradic

#436BC5 #C543AC #C59D43 #43C55C

square

#436BC5 #C543AC #C59D43 #43C55C

split-complementary

#436BC5 #C55C43 #ACC543

monochromatic

#21386C #30519B #436BC5 #7290D3 #A1B5E2

Accessibility & contrast

On white

5.06

#436BC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#436BC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BC5

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BC5	#FFFFFF	#000000	##FFFFFF
##436BC5	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E75C8

Deuteranopia (green-blind)

#2769C3

Tritanopia (blue-blind)

#00808E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436bc5;
/* rgb */ color: rgb(67, 107, 197);
/* oklch */ color: oklch(54.5% 0.147 264.1);

Tailwind

colors: {
  custom: {
    50: '#8494d7',
    500: '#436bc5',
    950: '#000000',
  },
}

SCSS

$custom: #436bc5;
$custom-light: #8494d7;
$custom-dark: #000000;

JSON

{
  "hex": "#436bc5",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 197
  },
  "hsl": {
    "h": 221.538,
    "s": 52.846,
    "l": 51.765
  },
  "oklch": {
    "l": 0.54511,
    "c": 0.14726,
    "h": 264.1
  },
  "luminance": 0.1574
}

Semantic roles & 50–950 ramp

primary

#436BC5

secondary

#CEBD95

accent

#B04CDC

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436BC5

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

Preview Lab → · Contrast checker → · Palette generator →