#436EB7#436EB7

#436EB7 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.3% C 0.124 H 260.4°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#436EB7
RGB	rgb(67, 110, 183)
HSL	hsl(218, 46%, 49%)
HSV	hsv(218, 63%, 72%)
CMYK	cmyk(63.4%, 39.9%, 0%, 28.2%)
CIE-LAB	lab(46.66, 8.46, -43.08)
CIE-LCH	lch(46.66, 43.90, 281.12°)
OKLab	oklab(54.27% -0.0208 -0.1225)
OKLCH	oklch(54.27% 0.124 260.4)
XYZ	xyz(16.4349, 15.7625, 46.9669)
Luminance	0.1576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436EB7 #B78C43

analogous

#43A8B7 #436EB7 #5243B7

triadic

#436EB7 #B7436E #6EB743

tetradic

#436EB7 #B743A8 #B78C43 #43B752

square

#436EB7 #B743A8 #B78C43 #43B752

split-complementary

#436EB7 #B75243 #A8B743

monochromatic

#22385D #33538A #436EB7 #6D90CA #9AB2DA

Accessibility & contrast

On white

5.06

#436EB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#436EB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436EB7

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436EB7	#FFFFFF	#000000	##FFFFFF
##436EB7	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E74BA

Deuteranopia (green-blind)

#3D6AB5

Tritanopia (blue-blind)

#007F89

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #436eb7;
/* rgb */ color: rgb(67, 110, 183);
/* oklch */ color: oklch(54.3% 0.124 260.4);

Tailwind

colors: {
  custom: {
    50: '#8297cd',
    500: '#436eb7',
    950: '#000000',
  },
}

SCSS

$custom: #436eb7;
$custom-light: #8297cd;
$custom-dark: #000000;

JSON

{
  "hex": "#436eb7",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 183
  },
  "hsl": {
    "h": 217.759,
    "s": 46.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54273,
    "c": 0.12429,
    "h": 260.4
  },
  "luminance": 0.15764
}

Semantic roles & 50–950 ramp

primary

#436EB7

secondary

#C6B290

accent

#A552D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436EB7

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

Preview Lab → · Contrast checker → · Palette generator →