#4657DB#4657DB

#4657DB is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.4% C 0.201 H 271.9°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#4657DB
RGB	rgb(70, 87, 219)
HSL	hsl(233, 67%, 57%)
HSV	hsv(233, 68%, 86%)
CMYK	cmyk(68%, 60.3%, 0%, 14.1%)
CIE-LAB	lab(43.11, 36.11, -69.52)
CIE-LCH	lch(43.11, 78.34, 297.45°)
OKLab	oklab(52.38% 0.0066 -0.2005)
OKLCH	oklch(52.38% 0.201 271.9)
XYZ	xyz(18.7159, 13.2312, 68.5716)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4657DB #DBCA46

analogous

#46A2DB #4657DB #8046DB

triadic

#4657DB #DB4657 #57DB46

tetradic

#4657DB #DB46A2 #DBCA46 #46DB80

square

#4657DB #DB46A2 #DBCA46 #46DB80

split-complementary

#4657DB #DB8046 #A2DB46

monochromatic

#1B288B #2537BF #4657DB #7986E5 #ACB4EF

Accessibility & contrast

On white

5.76

#4657DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#4657DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4657DB

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4657DB	#FFFFFF	#000000	##FFFFFF
##4657DB	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDF

Deuteranopia (green-blind)

#005FD8

Tritanopia (blue-blind)

#007891

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4657db;
/* rgb */ color: rgb(70, 87, 219);
/* oklch */ color: oklch(52.4% 0.201 271.9);

Tailwind

colors: {
  custom: {
    50: '#8b86e7',
    500: '#4657db',
    950: '#000000',
  },
}

SCSS

$custom: #4657db;
$custom-light: #8b86e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4657db",
  "rgb": {
    "r": 70,
    "g": 87,
    "b": 219
  },
  "hsl": {
    "h": 233.154,
    "s": 67.421,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52383,
    "c": 0.2006,
    "h": 271.9
  },
  "luminance": 0.13233
}

Semantic roles & 50–950 ramp

primary

#4657DB

secondary

#DDD6A0

accent

#D73DEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4657DB

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

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