#436BBD#436BBD

#436BBD is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.0% C 0.136 H 263.0°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#436BBD
RGB	rgb(67, 107, 189)
HSL	hsl(220, 48%, 50%)
HSV	hsv(220, 65%, 74%)
CMYK	cmyk(64.6%, 43.4%, 0%, 25.9%)
CIE-LAB	lab(46.15, 12.45, -47.37)
CIE-LCH	lch(46.15, 48.98, 284.73°)
OKLab	oklab(53.99% -0.0165 -0.1352)
OKLCH	oklch(53.99% 0.136 263)
XYZ	xyz(16.7545, 15.3812, 50.2202)
Luminance	0.1538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436BBD #BD9543

analogous

#43A8BD #436BBD #5843BD

triadic

#436BBD #BD436B #6BBD43

tetradic

#436BBD #BD43A8 #BD9543 #43BD58

square

#436BBD #BD43A8 #BD9543 #43BD58

split-complementary

#436BBD #BD5843 #A8BD43

monochromatic

#233863 #335190 #436BBD #708FCD #9EB2DD

Accessibility & contrast

On white

5.15

#436BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#436BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436BBD

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436BBD	#FFFFFF	#000000	##FFFFFF
##436BBD	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4573C0

Deuteranopia (green-blind)

#3168BB

Tritanopia (blue-blind)

#007E8B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #436bbd;
/* rgb */ color: rgb(67, 107, 189);
/* oklch */ color: oklch(54.0% 0.136 263.0);

Tailwind

colors: {
  custom: {
    50: '#8394d1',
    500: '#436bbd',
    950: '#000000',
  },
}

SCSS

$custom: #436bbd;
$custom-light: #8394d1;
$custom-dark: #000000;

JSON

{
  "hex": "#436bbd",
  "rgb": {
    "r": 67,
    "g": 107,
    "b": 189
  },
  "hsl": {
    "h": 220.328,
    "s": 48.031,
    "l": 50.196
  },
  "oklch": {
    "l": 0.53991,
    "c": 0.13616,
    "h": 263
  },
  "luminance": 0.15383
}

Semantic roles & 50–950 ramp

primary

#436BBD

secondary

#C9B793

accent

#AB50D8

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #436BBD

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

Preview Lab → · Contrast checker → · Palette generator →