#436EB3#436EB3

#436EB3 is a mid, moderate blue. Relative luminance 0.156; OKLCH L 54.0% C 0.119 H 259.5°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#436EB3
RGB	rgb(67, 110, 179)
HSL	hsl(217, 46%, 48%)
HSV	hsv(217, 63%, 70%)
CMYK	cmyk(62.6%, 38.5%, 0%, 29.8%)
CIE-LAB	lab(46.44, 7.07, -41.10)
CIE-LCH	lch(46.44, 41.70, 279.76°)
OKLab	oklab(54.03% -0.0217 -0.1167)
OKLCH	oklch(54.03% 0.119 259.5)
XYZ	xyz(16.0245, 15.5984, 44.8054)
Luminance	0.1560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436EB3 #B38843

analogous

#43A6B3 #436EB3 #5043B3

triadic

#436EB3 #B3436E #6EB343

tetradic

#436EB3 #B343A6 #B38843 #43B350

square

#436EB3 #B343A6 #B38843 #43B350

split-complementary

#436EB3 #B35043 #A6B343

monochromatic

#22375A #325386 #436EB3 #6B8FC8 #98B1D8

Accessibility & contrast

On white

5.10

#436EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#436EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436EB3

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436EB3	#FFFFFF	#000000	##FFFFFF
##436EB3	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5074B6

Deuteranopia (green-blind)

#4069B2

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436eb3;
/* rgb */ color: rgb(67, 110, 179);
/* oklch */ color: oklch(54.0% 0.119 259.5);

Tailwind

colors: {
  custom: {
    50: '#8197ca',
    500: '#436eb3',
    950: '#000000',
  },
}

SCSS

$custom: #436eb3;
$custom-light: #8197ca;
$custom-dark: #000000;

JSON

{
  "hex": "#436eb3",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 179
  },
  "hsl": {
    "h": 216.964,
    "s": 45.528,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54033,
    "c": 0.11875,
    "h": 259.5
  },
  "luminance": 0.156
}

Semantic roles & 50–950 ramp

primary

#436EB3

secondary

#C4AF8D

accent

#A353D5

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436EB3

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

Preview Lab → · Contrast checker → · Palette generator →