#436FC0#436FC0

#436FC0 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.0% C 0.136 H 261.5°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#436FC0
RGB	rgb(67, 111, 192)
HSL	hsl(219, 50%, 51%)
HSV	hsv(219, 65%, 75%)
CMYK	cmyk(65.1%, 42.2%, 0%, 24.7%)
CIE-LAB	lab(47.45, 11.01, -47.03)
CIE-LCH	lch(47.45, 48.30, 283.17°)
OKLab	oklab(55.05% -0.02 -0.1341)
OKLCH	oklch(55.05% 0.136 261.5)
XYZ	xyz(17.5102, 16.3663, 52.0952)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FC0 #C09443

analogous

#43ADC0 #436FC0 #5543C0

triadic

#436FC0 #C0436F #6FC043

tetradic

#436FC0 #C043AD #C09443 #43C055

square

#436FC0 #C043AD #C09443 #43C055

split-complementary

#436FC0 #C05543 #ADC043

monochromatic

#223A66 #325494 #436FC0 #7192CF #9FB5DF

Accessibility & contrast

On white

4.91

#436FC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#436FC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FC0

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FC0	#FFFFFF	#000000	##FFFFFF
##436FC0	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A77C3

Deuteranopia (green-blind)

#366BBE

Tritanopia (blue-blind)

#00818E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #436fc0;
/* rgb */ color: rgb(67, 111, 192);
/* oklch */ color: oklch(55.0% 0.136 261.5);

Tailwind

colors: {
  custom: {
    50: '#8397d3',
    500: '#436fc0',
    950: '#000000',
  },
}

SCSS

$custom: #436fc0;
$custom-light: #8397d3;
$custom-dark: #000000;

JSON

{
  "hex": "#436fc0",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 192
  },
  "hsl": {
    "h": 218.88,
    "s": 49.801,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55049,
    "c": 0.13558,
    "h": 261.5
  },
  "luminance": 0.16368
}

Semantic roles & 50–950 ramp

primary

#436FC0

secondary

#CBB894

accent

#A84ED9

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436FC0

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

Preview Lab → · Contrast checker → · Palette generator →