#436DB7#436DB7

#436DB7 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.1% C 0.125 H 260.9°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#436DB7
RGB	rgb(67, 109, 183)
HSL	hsl(218, 46%, 49%)
HSV	hsv(218, 63%, 72%)
CMYK	cmyk(63.4%, 40.4%, 0%, 28.2%)
CIE-LAB	lab(46.38, 9.09, -43.53)
CIE-LCH	lch(46.38, 44.47, 281.79°)
OKLab	oklab(54.05% -0.0198 -0.1239)
OKLCH	oklch(54.05% 0.125 260.9)
XYZ	xyz(16.3276, 15.5480, 46.9312)
Luminance	0.1555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436DB7 #B78D43

analogous

#43A7B7 #436DB7 #5343B7

triadic

#436DB7 #B7436D #6DB743

tetradic

#436DB7 #B743A7 #B78D43 #43B753

square

#436DB7 #B743A7 #B78D43 #43B753

split-complementary

#436DB7 #B75343 #A7B743

monochromatic

#22385D #33528A #436DB7 #6D8FCA #9AB1DA

Accessibility & contrast

On white

5.11

#436DB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#436DB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436DB7

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436DB7	#FFFFFF	#000000	##FFFFFF
##436DB7	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C74BA

Deuteranopia (green-blind)

#3B69B5

Tritanopia (blue-blind)

#007E89

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #436db7;
/* rgb */ color: rgb(67, 109, 183);
/* oklch */ color: oklch(54.1% 0.125 260.9);

Tailwind

colors: {
  custom: {
    50: '#8296cd',
    500: '#436db7',
    950: '#000000',
  },
}

SCSS

$custom: #436db7;
$custom-light: #8296cd;
$custom-dark: #000000;

JSON

{
  "hex": "#436db7",
  "rgb": {
    "r": 67,
    "g": 109,
    "b": 183
  },
  "hsl": {
    "h": 218.276,
    "s": 46.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54052,
    "c": 0.12544,
    "h": 260.9
  },
  "luminance": 0.15549
}

Semantic roles & 50–950 ramp

primary

#436DB7

secondary

#C6B290

accent

#A652D6

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #436DB7

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

Preview Lab → · Contrast checker → · Palette generator →