#436BCF#436BCF

#436BCF is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.2% C 0.161 H 265.1°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#436BCF
RGB	rgb(67, 107, 207)
HSL	hsl(223, 59%, 54%)
HSV	hsv(223, 68%, 81%)
CMYK	cmyk(67.6%, 48.3%, 0%, 18.8%)
CIE-LAB	lab(47.25, 18.85, -55.96)
CIE-LCH	lch(47.25, 59.05, 288.62°)
OKLab	oklab(55.19% -0.0137 -0.1604)
OKLCH	oklch(55.19% 0.161 265.1)
XYZ	xyz(18.8310, 16.2118, 61.1562)
Luminance	0.1621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BCF #CFA743

analogous

#43B1CF #436BCF #6143CF

triadic

#436BCF #CF436B #6BCF43

tetradic

#436BCF #CF43B1 #CFA743 #43CF61

square

#436BCF #CF43B1 #CFA743 #43CF61

split-complementary

#436BCF #CF6143 #B1CF43

monochromatic

#1F3979 #2B4FAA #436BCF #7491DB #A5B8E8

Accessibility & contrast

On white

4.95

#436BCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#436BCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BCF

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BCF	#FFFFFF	#000000	##FFFFFF
##436BCF	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3577D3

Deuteranopia (green-blind)

#0F6ACD

Tritanopia (blue-blind)

#008293

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #436bcf;
/* rgb */ color: rgb(67, 107, 207);
/* oklch */ color: oklch(55.2% 0.161 265.1);

Tailwind

colors: {
  custom: {
    50: '#8694de',
    500: '#436bcf',
    950: '#000000',
  },
}

SCSS

$custom: #436bcf;
$custom-light: #8694de;
$custom-dark: #000000;

JSON

{
  "hex": "#436bcf",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 207
  },
  "hsl": {
    "h": 222.857,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.55187,
    "c": 0.161,
    "h": 265.1
  },
  "luminance": 0.16214
}

Semantic roles & 50–950 ramp

primary

#436BCF

secondary

#D5C499

accent

#B645E3

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436BCF

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

Preview Lab → · Contrast checker → · Palette generator →