#436ABB#436ABB

#436ABB is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.6% C 0.135 H 263.2°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#436ABB
RGB	rgb(67, 106, 187)
HSL	hsl(221, 47%, 50%)
HSV	hsv(221, 64%, 73%)
CMYK	cmyk(64.2%, 43.3%, 0%, 26.7%)
CIE-LAB	lab(45.75, 12.38, -46.84)
CIE-LCH	lch(45.75, 48.45, 284.80°)
OKLab	oklab(53.65% -0.0159 -0.1336)
OKLCH	oklch(53.65% 0.135 263.2)
XYZ	xyz(16.4353, 15.0877, 49.0502)
Luminance	0.1509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436ABB #BB9443

analogous

#43A6BB #436ABB #5843BB

triadic

#436ABB #BB436A #6ABB43

tetradic

#436ABB #BB43A6 #BB9443 #43BB58

square

#436ABB #BB43A6 #BB9443 #43BB58

split-complementary

#436ABB #BB5843 #A6BB43

monochromatic

#233761 #33508E #436ABB #708DCC #9DB1DC

Accessibility & contrast

On white

5.23

#436ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#436ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436ABB

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436ABB	#FFFFFF	#000000	##FFFFFF
##436ABB	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4472BE

Deuteranopia (green-blind)

#3267B9

Tritanopia (blue-blind)

#007C89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #436abb;
/* rgb */ color: rgb(67, 106, 187);
/* oklch */ color: oklch(53.6% 0.135 263.2);

Tailwind

colors: {
  custom: {
    50: '#8394d0',
    500: '#436abb',
    950: '#000000',
  },
}

SCSS

$custom: #436abb;
$custom-light: #8394d0;
$custom-dark: #000000;

JSON

{
  "hex": "#436abb",
  "rgb": {
    "r": 67,
    "g": 106,
    "b": 187
  },
  "hsl": {
    "h": 220.5,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.53646,
    "c": 0.13457,
    "h": 263.2
  },
  "luminance": 0.15089
}

Semantic roles & 50–950 ramp

primary

#436ABB

secondary

#C8B692

accent

#AB51D7

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #436ABB

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

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