#436CE3#436CE3

#436CE3 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.8% C 0.187 H 266.2°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#436CE3
RGB	rgb(67, 108, 227)
HSL	hsl(225, 74%, 58%)
HSV	hsv(225, 70%, 89%)
CMYK	cmyk(70.5%, 52.4%, 0%, 11%)
CIE-LAB	lab(48.84, 25.36, -64.76)
CIE-LCH	lch(48.84, 69.55, 291.38°)
OKLab	oklab(56.81% -0.0124 -0.1863)
OKLCH	oklch(56.81% 0.187 266.2)
XYZ	xyz(21.5376, 17.4622, 74.8936)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436CE3 #E3BA43

analogous

#43BCE3 #436CE3 #6A43E3

triadic

#436CE3 #E3436C #6CE343

tetradic

#436CE3 #E343BC #E3BA43 #43E36A

square

#436CE3 #E343BC #E3BA43 #43E36A

split-complementary

#436CE3 #E36A43 #BCE343

monochromatic

#163795 #1E4ACB #436CE3 #7896EB #AEBFF3

Accessibility & contrast

On white

4.67

#436CE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#436CE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436CE3

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436CE3	#FFFFFF	#000000	##FFFFFF
##436CE3	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#187CE7

Deuteranopia (green-blind)

#006DE1

Tritanopia (blue-blind)

#00899D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #436ce3;
/* rgb */ color: rgb(67, 108, 227);
/* oklch */ color: oklch(56.8% 0.187 266.2);

Tailwind

colors: {
  custom: {
    50: '#8a95ed',
    500: '#436ce3',
    950: '#000000',
  },
}

SCSS

$custom: #436ce3;
$custom-light: #8a95ed;
$custom-dark: #000000;

JSON

{
  "hex": "#436ce3",
  "rgb": {
    "r": 67,
    "g": 108,
    "b": 227
  },
  "hsl": {
    "h": 224.625,
    "s": 74.074,
    "l": 57.647
  },
  "oklch": {
    "l": 0.56814,
    "c": 0.1867,
    "h": 266.2
  },
  "luminance": 0.17464
}

Semantic roles & 50–950 ramp

primary

#436CE3

secondary

#E1D1A1

accent

#C137F1

background

#F9F9FE

surface

#F2F1FD

border

#CCCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #436CE3

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

Preview Lab → · Contrast checker → · Palette generator →