#4274C0#4274C0

#4274C0 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.1% C 0.130 H 258.6°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4274C0
RGB	rgb(66, 116, 192)
HSL	hsl(216, 50%, 51%)
HSV	hsv(216, 66%, 75%)
CMYK	cmyk(65.6%, 39.6%, 0%, 24.7%)
CIE-LAB	lab(48.83, 7.73, -44.84)
CIE-LCH	lch(48.83, 45.50, 279.78°)
OKLab	oklab(56.1% -0.0258 -0.1276)
OKLCH	oklch(56.1% 0.13 258.6)
XYZ	xyz(18.0032, 17.4530, 52.2790)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274C0 #C08E42

analogous

#42B3C0 #4274C0 #4F42C0

triadic

#4274C0 #C04274 #74C042

tetradic

#4274C0 #C042B3 #C08E42 #42C04F

square

#4274C0 #C042B3 #C08E42 #42C04F

split-complementary

#4274C0 #C04F42 #B3C042

monochromatic

#223D66 #315894 #4274C0 #7096CF #9EB8DF

Accessibility & contrast

On white

4.68

#4274C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#4274C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4274C0

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274C0	#FFFFFF	#000000	##FFFFFF
##4274C0	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#527AC3

Deuteranopia (green-blind)

#3F6FBE

Tritanopia (blue-blind)

#008591

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4274c0;
/* rgb */ color: rgb(66, 116, 192);
/* oklch */ color: oklch(56.1% 0.130 258.6);

Tailwind

colors: {
  custom: {
    50: '#839bd3',
    500: '#4274c0',
    950: '#000000',
  },
}

SCSS

$custom: #4274c0;
$custom-light: #839bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4274c0",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 192
  },
  "hsl": {
    "h": 216.19,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56101,
    "c": 0.13023,
    "h": 258.6
  },
  "luminance": 0.17455
}

Semantic roles & 50–950 ramp

primary

#4274C0

secondary

#CBB593

accent

#A24EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4274C0

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

Preview Lab → · Contrast checker → · Palette generator →