#436CCF#436CCF

#436CCF is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.4% C 0.160 H 264.8°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#436CCF
RGB	rgb(67, 108, 207)
HSL	hsl(222, 59%, 54%)
HSV	hsv(222, 68%, 81%)
CMYK	cmyk(67.6%, 47.8%, 0%, 18.8%)
CIE-LAB	lab(47.52, 18.22, -55.52)
CIE-LCH	lch(47.52, 58.44, 288.17°)
OKLab	oklab(55.4% -0.0146 -0.1591)
OKLCH	oklch(55.4% 0.16 264.8)
XYZ	xyz(18.9358, 16.4215, 61.1911)
Luminance	0.1642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CCF #CFA643

analogous

#43B2CF #436CCF #6043CF

triadic

#436CCF #CF436C #6CCF43

tetradic

#436CCF #CF43B2 #CFA643 #43CF60

square

#436CCF #CF43B2 #CFA643 #43CF60

split-complementary

#436CCF #CF6043 #B2CF43

monochromatic

#1F3979 #2B50AA #436CCF #7492DB #A5B8E8

Accessibility & contrast

On white

4.90

#436CCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#436CCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CCF

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CCF	#FFFFFF	#000000	##FFFFFF
##436CCF	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3778D3

Deuteranopia (green-blind)

#156BCD

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #436ccf;
/* rgb */ color: rgb(67, 108, 207);
/* oklch */ color: oklch(55.4% 0.160 264.8);

Tailwind

colors: {
  custom: {
    50: '#8695de',
    500: '#436ccf',
    950: '#000000',
  },
}

SCSS

$custom: #436ccf;
$custom-light: #8695de;
$custom-dark: #000000;

JSON

{
  "hex": "#436ccf",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 207
  },
  "hsl": {
    "h": 222.429,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.55395,
    "c": 0.15979,
    "h": 264.8
  },
  "luminance": 0.16423
}

Semantic roles & 50–950 ramp

primary

#436CCF

secondary

#D5C399

accent

#B445E3

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436CCF

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

Preview Lab → · Contrast checker → · Palette generator →