#4571BE#4571BE

#4571BE is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.130 H 260.8°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4571BE
RGB	rgb(69, 113, 190)
HSL	hsl(218, 48%, 51%)
HSV	hsv(218, 64%, 75%)
CMYK	cmyk(63.7%, 40.5%, 0%, 25.5%)
CIE-LAB	lab(48.00, 9.41, -45.00)
CIE-LCH	lch(48.00, 45.97, 281.82°)
OKLab	oklab(55.46% -0.0207 -0.1281)
OKLCH	oklch(55.46% 0.13 260.8)
XYZ	xyz(17.6504, 16.7915, 51.0161)
Luminance	0.1679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571BE #BE9245

analogous

#45ADBE #4571BE #5545BE

triadic

#4571BE #BE4571 #71BE45

tetradic

#4571BE #BE45AD #BE9245 #45BE55

square

#4571BE #BE45AD #BE9245 #45BE55

split-complementary

#4571BE #BE5545 #ADBE45

monochromatic

#233B65 #335693 #4571BE #7294CE #A0B6DE

Accessibility & contrast

On white

4.82

#4571BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#4571BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4571BE

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571BE	#FFFFFF	#000000	##FFFFFF
##4571BE	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F78C1

Deuteranopia (green-blind)

#3D6DBC

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4571be;
/* rgb */ color: rgb(69, 113, 190);
/* oklch */ color: oklch(55.5% 0.130 260.8);

Tailwind

colors: {
  custom: {
    50: '#8499d2',
    500: '#4571be',
    950: '#000000',
  },
}

SCSS

$custom: #4571be;
$custom-light: #8499d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4571be",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 190
  },
  "hsl": {
    "h": 218.182,
    "s": 48.207,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55459,
    "c": 0.12975,
    "h": 260.8
  },
  "luminance": 0.16793
}

Semantic roles & 50–950 ramp

primary

#4571BE

secondary

#CAB795

accent

#A650D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4571BE

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

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