#436FC3#436FC3

#436FC3 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.2% C 0.140 H 262.0°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#436FC3
RGB	rgb(67, 111, 195)
HSL	hsl(219, 52%, 51%)
HSV	hsv(219, 66%, 76%)
CMYK	cmyk(65.6%, 43.1%, 0%, 23.5%)
CIE-LAB	lab(47.62, 12.07, -48.48)
CIE-LCH	lch(47.62, 49.96, 283.98°)
OKLab	oklab(55.24% -0.0194 -0.1384)
OKLCH	oklch(55.24% 0.14 262)
XYZ	xyz(17.8460, 16.5006, 53.8636)
Luminance	0.1650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FC3 #C39743

analogous

#43AFC3 #436FC3 #5743C3

triadic

#436FC3 #C3436F #6FC343

tetradic

#436FC3 #C343AF #C39743 #43C357

square

#436FC3 #C343AF #C39743 #43C357

split-complementary

#436FC3 #C35743 #AFC343

monochromatic

#223B6A #315498 #436FC3 #7193D2 #A0B6E1

Accessibility & contrast

On white

4.88

#436FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#436FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FC3

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FC3	#FFFFFF	#000000	##FFFFFF
##436FC3	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)

#4877C6

Deuteranopia (green-blind)

#336CC1

Tritanopia (blue-blind)

#00828F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #436fc3;
/* rgb */ color: rgb(67, 111, 195);
/* oklch */ color: oklch(55.2% 0.140 262.0);

Tailwind

colors: {
  custom: {
    50: '#8497d6',
    500: '#436fc3',
    950: '#000000',
  },
}

SCSS

$custom: #436fc3;
$custom-light: #8497d6;
$custom-dark: #000000;

JSON

{
  "hex": "#436fc3",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 195
  },
  "hsl": {
    "h": 219.375,
    "s": 51.613,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55239,
    "c": 0.13971,
    "h": 262
  },
  "luminance": 0.16502
}

Semantic roles & 50–950 ramp

primary

#436FC3

secondary

#CDBA95

accent

#AA4DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436FC3

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

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