#436CBB#436CBB

#436CBB is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.1% C 0.132 H 262.2°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#436CBB
RGB	rgb(67, 108, 187)
HSL	hsl(220, 47%, 50%)
HSV	hsv(220, 64%, 73%)
CMYK	cmyk(64.2%, 42.2%, 0%, 26.7%)
CIE-LAB	lab(46.32, 11.12, -45.94)
CIE-LCH	lch(46.32, 47.27, 283.61°)
OKLab	oklab(54.08% -0.0179 -0.131)
OKLCH	oklch(54.08% 0.132 262.2)
XYZ	xyz(16.6438, 15.5047, 49.1197)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CBB #BB9243

analogous

#43A8BB #436CBB #5643BB

triadic

#436CBB #BB436C #6CBB43

tetradic

#436CBB #BB43A8 #BB9243 #43BB56

square

#436CBB #BB43A8 #BB9243 #43BB56

split-complementary

#436CBB #BB5643 #A8BB43

monochromatic

#233861 #33528E #436CBB #708FCC #9DB2DC

Accessibility & contrast

On white

5.12

#436CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#436CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CBB

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CBB	#FFFFFF	#000000	##FFFFFF
##436CBB	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4874BE

Deuteranopia (green-blind)

#3669B9

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436cbb;
/* rgb */ color: rgb(67, 108, 187);
/* oklch */ color: oklch(54.1% 0.132 262.2);

Tailwind

colors: {
  custom: {
    50: '#8395d0',
    500: '#436cbb',
    950: '#000000',
  },
}

SCSS

$custom: #436cbb;
$custom-light: #8395d0;
$custom-dark: #000000;

JSON

{
  "hex": "#436cbb",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 187
  },
  "hsl": {
    "h": 219.5,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.54081,
    "c": 0.13218,
    "h": 262.2
  },
  "luminance": 0.15506
}

Semantic roles & 50–950 ramp

primary

#436CBB

secondary

#C8B592

accent

#A951D7

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #436CBB

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

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