#436EC8#436EC8

#436EC8 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.3% C 0.148 H 263.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#436EC8
RGB	rgb(67, 110, 200)
HSL	hsl(221, 55%, 52%)
HSV	hsv(221, 67%, 78%)
CMYK	cmyk(66.5%, 45%, 0%, 21.6%)
CIE-LAB	lab(47.64, 14.47, -51.33)
CIE-LCH	lch(47.64, 53.33, 285.74°)
OKLab	oklab(55.35% -0.0175 -0.1467)
OKLCH	oklch(55.35% 0.148 263.2)
XYZ	xyz(18.3123, 16.5135, 56.8547)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436EC8 #C89D43

analogous

#43B0C8 #436EC8 #5B43C8

triadic

#436EC8 #C8436E #6EC843

tetradic

#436EC8 #C843B0 #C89D43 #43C85B

square

#436EC8 #C843B0 #C89D43 #43C85B

split-complementary

#436EC8 #C85B43 #B0C843

monochromatic

#213A70 #2F539F #436EC8 #7293D6 #A2B7E4

Accessibility & contrast

On white

4.88

#436EC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#436EC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436EC8

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436EC8	#FFFFFF	#000000	##FFFFFF
##436EC8	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4278CB

Deuteranopia (green-blind)

#2A6BC6

Tritanopia (blue-blind)

#008391

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #436ec8;
/* rgb */ color: rgb(67, 110, 200);
/* oklch */ color: oklch(55.3% 0.148 263.2);

Tailwind

colors: {
  custom: {
    50: '#8597d9',
    500: '#436ec8',
    950: '#000000',
  },
}

SCSS

$custom: #436ec8;
$custom-light: #8597d9;
$custom-dark: #000000;

JSON

{
  "hex": "#436ec8",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 200
  },
  "hsl": {
    "h": 220.602,
    "s": 54.733,
    "l": 52.353
  },
  "oklch": {
    "l": 0.55347,
    "c": 0.14778,
    "h": 263.2
  },
  "luminance": 0.16515
}

Semantic roles & 50–950 ramp

primary

#436EC8

secondary

#D0BE96

accent

#AE4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436EC8

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

Preview Lab → · Contrast checker → · Palette generator →