#4B70DA#4B70DA

#4B70DA is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.4% C 0.167 H 266.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4B70DA
RGB	rgb(75, 112, 218)
HSL	hsl(224, 66%, 57%)
HSV	hsv(224, 66%, 85%)
CMYK	cmyk(65.6%, 48.6%, 0%, 14.5%)
CIE-LAB	lab(49.67, 20.86, -58.31)
CIE-LCH	lch(49.67, 61.93, 289.69°)
OKLab	oklab(57.36% -0.0098 -0.1671)
OKLCH	oklch(57.36% 0.167 266.7)
XYZ	xyz(21.3463, 18.1441, 68.6933)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B70DA #DAB54B

analogous

#4BB7DA #4B70DA #6E4BDA

triadic

#4B70DA #DA4B70 #70DA4B

tetradic

#4B70DA #DA4BB7 #DAB54B #4BDA6E

square

#4B70DA #DA4BB7 #DAB54B #4BDA6E

split-complementary

#4B70DA #DA6E4B #B7DA4B

monochromatic

#1D3A8E #284FC0 #4B70DA #7E98E4 #B1C1EF

Accessibility & contrast

On white

4.54

#4B70DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4B70DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B70DA

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B70DA	#FFFFFF	#000000	##000000
##4B70DA	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#377DDE

Deuteranopia (green-blind)

#1170D8

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4b70da;
/* rgb */ color: rgb(75, 112, 218);
/* oklch */ color: oklch(57.4% 0.167 266.7);

Tailwind

colors: {
  custom: {
    50: '#8c98e6',
    500: '#4b70da',
    950: '#000000',
  },
}

SCSS

$custom: #4b70da;
$custom-light: #8c98e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b70da",
  "rgb": {
    "r": 75,
    "g": 112,
    "b": 218
  },
  "hsl": {
    "h": 224.476,
    "s": 65.899,
    "l": 57.451
  },
  "oklch": {
    "l": 0.57359,
    "c": 0.16739,
    "h": 266.7
  },
  "luminance": 0.18146
}

Semantic roles & 50–950 ramp

primary

#4B70DA

secondary

#DDCEA4

accent

#BD3FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4B70DA

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

Preview Lab → · Contrast checker → · Palette generator →