#4F70DB#4F70DB

#4F70DB is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.6% C 0.168 H 268.0°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4F70DB
RGB	rgb(79, 112, 219)
HSL	hsl(226, 66%, 58%)
HSV	hsv(226, 64%, 86%)
CMYK	cmyk(63.9%, 48.9%, 0%, 14.1%)
CIE-LAB	lab(49.93, 21.87, -58.44)
CIE-LCH	lch(49.93, 62.40, 290.51°)
OKLab	oklab(57.63% -0.006 -0.1674)
OKLCH	oklch(57.63% 0.168 268)
XYZ	xyz(21.8004, 18.3631, 69.3997)
Luminance	0.1837 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F70DB #DBBA4F

analogous

#4FB6DB #4F70DB #744FDB

triadic

#4F70DB #DB4F70 #70DB4F

tetradic

#4F70DB #DB4FB6 #DBBA4F #4FDB74

square

#4F70DB #DB4FB6 #DBBA4F #4FDB74

split-complementary

#4F70DB #DB744F #B6DB4F

monochromatic

#1E3992 #284DC5 #4F70DB #8299E5 #B5C3F0

Accessibility & contrast

On white

4.49

#4F70DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#4F70DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F70DB

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F70DB	#FFFFFF	#000000	##000000
##4F70DB	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)

#367DDF

Deuteranopia (green-blind)

#1371D9

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4f70db;
/* rgb */ color: rgb(79, 112, 219);
/* oklch */ color: oklch(57.6% 0.168 268.0);

Tailwind

colors: {
  custom: {
    50: '#8e98e7',
    500: '#4f70db',
    950: '#000000',
  },
}

SCSS

$custom: #4f70db;
$custom-light: #8e98e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f70db",
  "rgb": {
    "r": 79,
    "g": 112,
    "b": 219
  },
  "hsl": {
    "h": 225.857,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.57633,
    "c": 0.16752,
    "h": 268
  },
  "luminance": 0.18365
}

Semantic roles & 50–950 ramp

primary

#4F70DB

secondary

#DFD2A7

accent

#C13FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4F70DB

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

Preview Lab → · Contrast checker → · Palette generator →