#436FBD#436FBD

#436FBD is a mid, vivid blue. Relative luminance 0.162; OKLCH L 54.9% C 0.131 H 261.0°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#436FBD
RGB	rgb(67, 111, 189)
HSL	hsl(218, 48%, 50%)
HSV	hsv(218, 65%, 74%)
CMYK	cmyk(64.6%, 41.3%, 0%, 25.9%)
CIE-LAB	lab(47.28, 9.95, -45.57)
CIE-LCH	lch(47.28, 46.64, 282.32°)
OKLab	oklab(54.86% -0.0206 -0.1298)
OKLCH	oklch(54.86% 0.131 261)
XYZ	xyz(17.1812, 16.2347, 50.3624)
Luminance	0.1624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FBD #BD9143

analogous

#43ACBD #436FBD #5443BD

triadic

#436FBD #BD436F #6FBD43

tetradic

#436FBD #BD43AC #BD9143 #43BD54

square

#436FBD #BD43AC #BD9143 #43BD54

split-complementary

#436FBD #BD5443 #ACBD43

monochromatic

#233A63 #335490 #436FBD #7092CD #9EB4DD

Accessibility & contrast

On white

4.94

#436FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#436FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436FBD

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FBD	#FFFFFF	#000000	##FFFFFF
##436FBD	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C76C0

Deuteranopia (green-blind)

#396BBB

Tritanopia (blue-blind)

#00818D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #436fbd;
/* rgb */ color: rgb(67, 111, 189);
/* oklch */ color: oklch(54.9% 0.131 261.0);

Tailwind

colors: {
  custom: {
    50: '#8397d1',
    500: '#436fbd',
    950: '#000000',
  },
}

SCSS

$custom: #436fbd;
$custom-light: #8397d1;
$custom-dark: #000000;

JSON

{
  "hex": "#436fbd",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 189
  },
  "hsl": {
    "h": 218.361,
    "s": 48.031,
    "l": 50.196
  },
  "oklch": {
    "l": 0.54862,
    "c": 0.13144,
    "h": 261
  },
  "luminance": 0.16236
}

Semantic roles & 50–950 ramp

primary

#436FBD

secondary

#C9B593

accent

#A750D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #436FBD

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

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