#4274C3#4274C3

#4274C3 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.3% C 0.134 H 259.2°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4274C3
RGB	rgb(66, 116, 195)
HSL	hsl(217, 52%, 51%)
HSV	hsv(217, 66%, 76%)
CMYK	cmyk(66.2%, 40.5%, 0%, 23.5%)
CIE-LAB	lab(48.99, 8.79, -46.30)
CIE-LCH	lch(48.99, 47.13, 280.74°)
OKLab	oklab(56.28% -0.0252 -0.1319)
OKLCH	oklch(56.28% 0.134 259.2)
XYZ	xyz(18.3390, 17.5874, 54.0474)
Luminance	0.1759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274C3 #C39142

analogous

#42B4C3 #4274C3 #5042C3

triadic

#4274C3 #C34274 #74C342

tetradic

#4274C3 #C342B4 #C39142 #42C350

square

#4274C3 #C342B4 #C39142 #42C350

split-complementary

#4274C3 #C35042 #B4C342

monochromatic

#213D69 #305898 #4274C3 #7096D2 #9FB8E0

Accessibility & contrast

On white

4.65

#4274C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#4274C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4274C3

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274C3	#FFFFFF	#000000	##FFFFFF
##4274C3	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#507BC6

Deuteranopia (green-blind)

#3C6FC1

Tritanopia (blue-blind)

#008692

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4274c3;
/* rgb */ color: rgb(66, 116, 195);
/* oklch */ color: oklch(56.3% 0.134 259.2);

Tailwind

colors: {
  custom: {
    50: '#839bd5',
    500: '#4274c3',
    950: '#000000',
  },
}

SCSS

$custom: #4274c3;
$custom-light: #839bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#4274c3",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 195
  },
  "hsl": {
    "h": 216.744,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56284,
    "c": 0.1343,
    "h": 259.2
  },
  "luminance": 0.17589
}

Semantic roles & 50–950 ramp

primary

#4274C3

secondary

#CDB794

accent

#A44DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4274C3

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

Preview Lab → · Contrast checker → · Palette generator →