#4274BE#4274BE

#4274BE is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.0% C 0.128 H 258.1°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4274BE
RGB	rgb(66, 116, 190)
HSL	hsl(216, 49%, 50%)
HSV	hsv(216, 65%, 75%)
CMYK	cmyk(65.3%, 38.9%, 0%, 25.5%)
CIE-LAB	lab(48.72, 7.02, -43.86)
CIE-LCH	lch(48.72, 44.42, 279.10°)
OKLab	oklab(55.98% -0.0263 -0.1248)
OKLCH	oklch(55.98% 0.128 258.1)
XYZ	xyz(17.7831, 17.3650, 51.1198)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274BE #BE8C42

analogous

#42B2BE #4274BE #4E42BE

triadic

#4274BE #BE4274 #74BE42

tetradic

#4274BE #BE42B2 #BE8C42 #42BE4E

square

#4274BE #BE42B2 #BE8C42 #42BE4E

split-complementary

#4274BE #BE4E42 #B2BE42

monochromatic

#223C63 #325891 #4274BE #7095CE #9DB7DD

Accessibility & contrast

On white

4.69

#4274BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#4274BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4274BE

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274BE	#FFFFFF	#000000	##FFFFFF
##4274BE	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#537AC1

Deuteranopia (green-blind)

#416EBC

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4274be;
/* rgb */ color: rgb(66, 116, 190);
/* oklch */ color: oklch(56.0% 0.128 258.1);

Tailwind

colors: {
  custom: {
    50: '#839bd2',
    500: '#4274be',
    950: '#000000',
  },
}

SCSS

$custom: #4274be;
$custom-light: #839bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#4274be",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 190
  },
  "hsl": {
    "h": 215.806,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55981,
    "c": 0.12751,
    "h": 258.1
  },
  "luminance": 0.17367
}

Semantic roles & 50–950 ramp

primary

#4274BE

secondary

#CAB392

accent

#A14FD8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4274BE

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

Preview Lab → · Contrast checker → · Palette generator →