#436FE7#436FE7

#436FE7 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.7% C 0.188 H 265.6°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#436FE7
RGB	rgb(67, 111, 231)
HSL	hsl(224, 77%, 58%)
HSV	hsv(224, 71%, 91%)
CMYK	cmyk(71%, 51.9%, 0%, 9.4%)
CIE-LAB	lab(49.89, 24.90, -65.30)
CIE-LCH	lch(49.89, 69.89, 290.88°)
OKLab	oklab(57.7% -0.0144 -0.1878)
OKLCH	oklch(57.7% 0.188 265.6)
XYZ	xyz(22.4179, 18.3293, 77.9423)
Luminance	0.1833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436FE7 #E7BB43

analogous

#43C1E7 #436FE7 #6943E7

triadic

#436FE7 #E7436F #6FE743

tetradic

#436FE7 #E743C1 #E7BB43 #43E769

square

#436FE7 #E743C1 #E7BB43 #43E769

split-complementary

#436FE7 #E76943 #C1E743

monochromatic

#14389C #1B4CD2 #436FE7 #7999EE #B0C2F5

Accessibility & contrast

On white

4.50

#436FE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#436FE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #436FE7

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436FE7	#FFFFFF	#000000	##000000
##436FE7	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D7FEB

Deuteranopia (green-blind)

#0070E5

Tritanopia (blue-blind)

#008CA0

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #436fe7;
/* rgb */ color: rgb(67, 111, 231);
/* oklch */ color: oklch(57.7% 0.188 265.6);

Tailwind

colors: {
  custom: {
    50: '#8b97ef',
    500: '#436fe7',
    950: '#000000',
  },
}

SCSS

$custom: #436fe7;
$custom-light: #8b97ef;
$custom-dark: #000000;

JSON

{
  "hex": "#436fe7",
  "rgb": {
    "r": 67,
    "g": 111,
    "b": 231
  },
  "hsl": {
    "h": 223.902,
    "s": 77.358,
    "l": 58.431
  },
  "oklch": {
    "l": 0.577,
    "c": 0.18839,
    "h": 265.6
  },
  "luminance": 0.18332
}

Semantic roles & 50–950 ramp

primary

#436FE7

secondary

#E3D2A2

accent

#C034F4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0D17

muted

#7E7E85

Preview Lab

Preview with #436FE7

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

Preview Lab → · Contrast checker → · Palette generator →