#436ECA#436ECA

#436ECA is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.5% C 0.151 H 263.4°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#436ECA
RGB	rgb(67, 110, 202)
HSL	hsl(221, 56%, 53%)
HSV	hsv(221, 67%, 79%)
CMYK	cmyk(66.8%, 45.5%, 0%, 20.8%)
CIE-LAB	lab(47.76, 15.18, -52.28)
CIE-LCH	lch(47.76, 54.44, 286.19°)
OKLab	oklab(55.48% -0.0172 -0.1495)
OKLCH	oklch(55.48% 0.151 263.4)
XYZ	xyz(18.5476, 16.6076, 58.0938)
Luminance	0.1661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436ECA #CA9F43

analogous

#43B1CA #436ECA #5B43CA

triadic

#436ECA #CA436E #6ECA43

tetradic

#436ECA #CA43B1 #CA9F43 #43CA5B

square

#436ECA #CA43B1 #CA9F43 #43CA5B

split-complementary

#436ECA #CA5B43 #B1CA43

monochromatic

#203A72 #2E53A2 #436ECA #7393D7 #A2B8E5

Accessibility & contrast

On white

4.86

#436ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#436ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436ECA

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436ECA	#FFFFFF	#000000	##FFFFFF
##436ECA	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4078CD

Deuteranopia (green-blind)

#276CC8

Tritanopia (blue-blind)

#008392

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #436eca;
/* rgb */ color: rgb(67, 110, 202);
/* oklch */ color: oklch(55.5% 0.151 263.4);

Tailwind

colors: {
  custom: {
    50: '#8597db',
    500: '#436eca',
    950: '#000000',
  },
}

SCSS

$custom: #436eca;
$custom-light: #8597db;
$custom-dark: #000000;

JSON

{
  "hex": "#436eca",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 202
  },
  "hsl": {
    "h": 220.889,
    "s": 56.017,
    "l": 52.745
  },
  "oklch": {
    "l": 0.55478,
    "c": 0.15053,
    "h": 263.4
  },
  "luminance": 0.16609
}

Semantic roles & 50–950 ramp

primary

#436ECA

secondary

#D2BF97

accent

#AF48DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #436ECA

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

Preview Lab → · Contrast checker → · Palette generator →