#436BCB#436BCB

#436BCB is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.9% C 0.156 H 264.8°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#436BCB
RGB	rgb(67, 107, 203)
HSL	hsl(222, 57%, 53%)
HSV	hsv(222, 67%, 80%)
CMYK	cmyk(67%, 47.3%, 0%, 20.4%)
CIE-LAB	lab(47.00, 17.42, -54.08)
CIE-LCH	lch(47.00, 56.81, 287.86°)
OKLab	oklab(54.91% -0.0142 -0.1549)
OKLCH	oklch(54.91% 0.156 264.8)
XYZ	xyz(18.3482, 16.0187, 58.6133)
Luminance	0.1602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BCB #CBA343

analogous

#43AFCB #436BCB #5F43CB

triadic

#436BCB #CB436B #6BCB43

tetradic

#436BCB #CB43AF #CBA343 #43CB5F

square

#436BCB #CB43AF #CBA343 #43CB5F

split-complementary

#436BCB #CB5F43 #AFCB43

monochromatic

#203974 #2D50A4 #436BCB #7391D8 #A3B6E6

Accessibility & contrast

On white

5.00

#436BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#436BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BCB

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BCB	#FFFFFF	#000000	##FFFFFF
##436BCB	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3976CF

Deuteranopia (green-blind)

#1B6AC9

Tritanopia (blue-blind)

#008191

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #436bcb;
/* rgb */ color: rgb(67, 107, 203);
/* oklch */ color: oklch(54.9% 0.156 264.8);

Tailwind

colors: {
  custom: {
    50: '#8694db',
    500: '#436bcb',
    950: '#000000',
  },
}

SCSS

$custom: #436bcb;
$custom-light: #8694db;
$custom-dark: #000000;

JSON

{
  "hex": "#436bcb",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 203
  },
  "hsl": {
    "h": 222.353,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54914,
    "c": 0.15553,
    "h": 264.8
  },
  "luminance": 0.1602
}

Semantic roles & 50–950 ramp

primary

#436BCB

secondary

#D2C198

accent

#B348E0

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436BCB

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

Preview Lab → · Contrast checker → · Palette generator →