#4B71DA#4B71DA

#4B71DA is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.6% C 0.166 H 266.3°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4B71DA
RGB	rgb(75, 113, 218)
HSL	hsl(224, 66%, 57%)
HSV	hsv(224, 66%, 85%)
CMYK	cmyk(65.6%, 48.2%, 0%, 14.5%)
CIE-LAB	lab(49.94, 20.24, -57.88)
CIE-LCH	lch(49.94, 61.32, 289.27°)
OKLab	oklab(57.56% -0.0107 -0.1658)
OKLCH	oklch(57.56% 0.166 266.3)
XYZ	xyz(21.4573, 18.3660, 68.7303)
Luminance	0.1837 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B71DA #DAB44B

analogous

#4BB9DA #4B71DA #6C4BDA

triadic

#4B71DA #DA4B71 #71DA4B

tetradic

#4B71DA #DA4BB9 #DAB44B #4BDA6C

square

#4B71DA #DA4BB9 #DAB44B #4BDA6C

split-complementary

#4B71DA #DA6C4B #B9DA4B

monochromatic

#1D3B8E #2850C0 #4B71DA #7E99E4 #B1C1EF

Accessibility & contrast

On white

4.49

#4B71DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#4B71DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B71DA

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B71DA	#FFFFFF	#000000	##000000
##4B71DA	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#397EDE

Deuteranopia (green-blind)

#1671D8

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4b71da;
/* rgb */ color: rgb(75, 113, 218);
/* oklch */ color: oklch(57.6% 0.166 266.3);

Tailwind

colors: {
  custom: {
    50: '#8c99e6',
    500: '#4b71da',
    950: '#000000',
  },
}

SCSS

$custom: #4b71da;
$custom-light: #8c99e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b71da",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 218
  },
  "hsl": {
    "h": 224.056,
    "s": 65.899,
    "l": 57.451
  },
  "oklch": {
    "l": 0.57562,
    "c": 0.16617,
    "h": 266.3
  },
  "luminance": 0.18368
}

Semantic roles & 50–950 ramp

primary

#4B71DA

secondary

#DDCEA4

accent

#BC3FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4B71DA

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

Preview Lab → · Contrast checker → · Palette generator →