Cornflower Blue#5170D7

#5170D7 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.5% C 0.161 H 268.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Cornflower Blue — editorial page

Color values

HEX	#5170D7
RGB	rgb(81, 112, 215)
HSL	hsl(226, 63%, 58%)
HSV	hsv(226, 62%, 84%)
CMYK	cmyk(62.3%, 47.9%, 0%, 15.7%)
CIE-LAB	lab(49.79, 20.84, -56.40)
CIE-LCH	lch(49.79, 60.13, 290.28°)
OKLab	oklab(57.47% -0.0046 -0.1614)
OKLCH	oklch(57.47% 0.161 268.4)
XYZ	xyz(21.4491, 18.2421, 66.6675)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5170D7 #D7B851

analogous

#51B3D7 #5170D7 #7551D7

triadic

#5170D7 #D75170 #70D751

tetradic

#5170D7 #D751B3 #D7B851 #51D775

square

#5170D7 #D751B3 #D7B851 #51D775

split-complementary

#5170D7 #D77551 #B3D751

monochromatic

#203A8D #2C4EBF #5170D7 #8399E2 #B5C2EE

Accessibility & contrast

On white

4.52

#5170D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#5170D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5170D7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5170D7	#FFFFFF	#000000	##000000
##5170D7	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7DDB

Deuteranopia (green-blind)

#2071D5

Tritanopia (blue-blind)

#008899

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5170d7;
/* rgb */ color: rgb(81, 112, 215);
/* oklch */ color: oklch(57.5% 0.161 268.4);

Tailwind

colors: {
  custom: {
    50: '#8e98e4',
    500: '#5170d7',
    950: '#000000',
  },
}

SCSS

$custom: #5170d7;
$custom-light: #8e98e4;
$custom-dark: #000000;

JSON

{
  "hex": "#5170d7",
  "rgb": {
    "r": 81,
    "g": 112,
    "b": 215
  },
  "hsl": {
    "h": 226.119,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.57471,
    "c": 0.16143,
    "h": 268.4
  },
  "luminance": 0.18244
}

Semantic roles & 50–950 ramp

primary

#5170D7

secondary

#DDD0A7

accent

#C042E6

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #5170D7

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

Preview Lab → · Contrast checker → · Palette generator →