#4270BE#4270BE

#4270BE is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.1% C 0.132 H 260.3°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4270BE
RGB	rgb(66, 112, 190)
HSL	hsl(218, 49%, 50%)
HSV	hsv(218, 65%, 75%)
CMYK	cmyk(65.3%, 41.1%, 0%, 25.5%)
CIE-LAB	lab(47.58, 9.50, -45.68)
CIE-LCH	lch(47.58, 46.66, 281.75°)
OKLab	oklab(55.1% -0.0222 -0.1301)
OKLCH	oklch(55.1% 0.132 260.3)
XYZ	xyz(17.3319, 16.4626, 50.9694)
Luminance	0.1646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4270BE #BE9042

analogous

#42AEBE #4270BE #5242BE

triadic

#4270BE #BE4270 #70BE42

tetradic

#4270BE #BE42AE #BE9042 #42BE52

square

#4270BE #BE42AE #BE9042 #42BE52

split-complementary

#4270BE #BE5242 #AEBE42

monochromatic

#223A63 #325591 #4270BE #7092CE #9DB5DD

Accessibility & contrast

On white

4.89

#4270BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#4270BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4270BE

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4270BE	#FFFFFF	#000000	##FFFFFF
##4270BE	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D77C1

Deuteranopia (green-blind)

#3A6CBC

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4270be;
/* rgb */ color: rgb(66, 112, 190);
/* oklch */ color: oklch(55.1% 0.132 260.3);

Tailwind

colors: {
  custom: {
    50: '#8398d2',
    500: '#4270be',
    950: '#000000',
  },
}

SCSS

$custom: #4270be;
$custom-light: #8398d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4270be",
  "rgb": {
    "r": 66,
    "g": 112,
    "b": 190
  },
  "hsl": {
    "h": 217.742,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55096,
    "c": 0.13202,
    "h": 260.3
  },
  "luminance": 0.16464
}

Semantic roles & 50–950 ramp

primary

#4270BE

secondary

#CAB592

accent

#A64FD8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4270BE

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

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