#4571B3#4571B3

#4571B3 is a mid, moderate blue. Relative luminance 0.163; OKLCH L 54.8% C 0.115 H 258.3°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#4571B3
RGB	rgb(69, 113, 179)
HSL	hsl(216, 44%, 49%)
HSV	hsv(216, 61%, 70%)
CMYK	cmyk(61.5%, 36.9%, 0%, 29.8%)
CIE-LAB	lab(47.40, 5.60, -39.57)
CIE-LCH	lch(47.40, 39.97, 278.05°)
OKLab	oklab(54.81% -0.0232 -0.1122)
OKLCH	oklch(54.81% 0.115 258.3)
XYZ	xyz(16.4932, 16.3287, 44.9217)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571B3 #B38745

analogous

#45A8B3 #4571B3 #5045B3

triadic

#4571B3 #B34571 #71B345

tetradic

#4571B3 #B345A8 #B38745 #45B350

square

#4571B3 #B345A8 #B38745 #45B350

split-complementary

#4571B3 #B35045 #A8B345

monochromatic

#23395B #345587 #4571B3 #6E92C7 #9AB3D8

Accessibility & contrast

On white

4.92

#4571B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#4571B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4571B3

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571B3	#FFFFFF	#000000	##FFFFFF
##4571B3	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5576B6

Deuteranopia (green-blind)

#466CB2

Tritanopia (blue-blind)

#008089

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4571b3;
/* rgb */ color: rgb(69, 113, 179);
/* oklch */ color: oklch(54.8% 0.115 258.3);

Tailwind

colors: {
  custom: {
    50: '#8299ca',
    500: '#4571b3',
    950: '#000000',
  },
}

SCSS

$custom: #4571b3;
$custom-light: #8299ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4571b3",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 179
  },
  "hsl": {
    "h": 216,
    "s": 44.355,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54805,
    "c": 0.11459,
    "h": 258.3
  },
  "luminance": 0.1633
}

Semantic roles & 50–950 ramp

primary

#4571B3

secondary

#C4AF8F

accent

#A154D4

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #4571B3

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

Preview Lab → · Contrast checker → · Palette generator →