#436EBF#436EBF

#436EBF is a mid, vivid blue. Relative luminance 0.161; OKLCH L 54.8% C 0.135 H 261.9°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#436EBF
RGB	rgb(67, 110, 191)
HSL	hsl(219, 49%, 51%)
HSV	hsv(219, 65%, 75%)
CMYK	cmyk(64.9%, 42.4%, 0%, 25.1%)
CIE-LAB	lab(47.11, 11.28, -46.99)
CIE-LCH	lch(47.11, 48.33, 283.50°)
OKLab	oklab(54.77% -0.0191 -0.134)
OKLCH	oklch(54.77% 0.135 261.9)
XYZ	xyz(17.2913, 16.1051, 51.4775)
Luminance	0.1611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436EBF #BF9443

analogous

#43ACBF #436EBF #5643BF

triadic

#436EBF #BF436E #6EBF43

tetradic

#436EBF #BF43AC #BF9443 #43BF56

square

#436EBF #BF43AC #BF9443 #43BF56

split-complementary

#436EBF #BF5643 #ACBF43

monochromatic

#223A65 #325493 #436EBF #7191CF #9EB4DE

Accessibility & contrast

On white

4.97

#436EBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#436EBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436EBF

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436EBF	#FFFFFF	#000000	##FFFFFF
##436EBF	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4976C2

Deuteranopia (green-blind)

#356ABD

Tritanopia (blue-blind)

#00808D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #436ebf;
/* rgb */ color: rgb(67, 110, 191);
/* oklch */ color: oklch(54.8% 0.135 261.9);

Tailwind

colors: {
  custom: {
    50: '#8397d3',
    500: '#436ebf',
    950: '#000000',
  },
}

SCSS

$custom: #436ebf;
$custom-light: #8397d3;
$custom-dark: #000000;

JSON

{
  "hex": "#436ebf",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 191
  },
  "hsl": {
    "h": 219.194,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.54768,
    "c": 0.13537,
    "h": 261.9
  },
  "luminance": 0.16107
}

Semantic roles & 50–950 ramp

primary

#436EBF

secondary

#CAB793

accent

#A94FD9

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436EBF

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

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