#4B71BA#4B71BA

#4B71BA is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.5% C 0.122 H 262.3°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#4B71BA
RGB	rgb(75, 113, 186)
HSL	hsl(219, 45%, 51%)
HSV	hsv(219, 60%, 73%)
CMYK	cmyk(59.7%, 39.2%, 0%, 27.1%)
CIE-LAB	lab(48.07, 9.18, -42.55)
CIE-LCH	lch(48.07, 43.53, 282.18°)
OKLab	oklab(55.52% -0.0162 -0.1208)
OKLCH	oklch(55.52% 0.122 262.3)
XYZ	xyz(17.6666, 16.8498, 48.7662)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B71BA #BA944B

analogous

#4BA8BA #4B71BA #5C4BBA

triadic

#4B71BA #BA4B71 #71BA4B

tetradic

#4B71BA #BA4BA8 #BA944B #4BBA5C

square

#4B71BA #BA4BA8 #BA944B #4BBA5C

split-complementary

#4B71BA #BA5C4B #A8BA4B

monochromatic

#263C64 #375690 #4B71BA #7794CB #A3B7DC

Accessibility & contrast

On white

4.81

#4B71BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#4B71BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B71BA

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B71BA	#FFFFFF	#000000	##FFFFFF
##4B71BA	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5278BD

Deuteranopia (green-blind)

#436DB8

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4b71ba;
/* rgb */ color: rgb(75, 113, 186);
/* oklch */ color: oklch(55.5% 0.122 262.3);

Tailwind

colors: {
  custom: {
    50: '#8699cf',
    500: '#4b71ba',
    950: '#000000',
  },
}

SCSS

$custom: #4b71ba;
$custom-light: #8699cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b71ba",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 186
  },
  "hsl": {
    "h": 219.459,
    "s": 44.578,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55524,
    "c": 0.12191,
    "h": 262.3
  },
  "luminance": 0.16851
}

Semantic roles & 50–950 ramp

primary

#4B71BA

secondary

#C9B898

accent

#A854D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4B71BA

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

Preview Lab → · Contrast checker → · Palette generator →