#4B54DB#4B54DB

#4B54DB is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.1% C 0.203 H 274.0°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#4B54DB
RGB	rgb(75, 84, 219)
HSL	hsl(236, 67%, 58%)
HSV	hsv(236, 66%, 86%)
CMYK	cmyk(65.8%, 61.6%, 0%, 14.1%)
CIE-LAB	lab(42.69, 38.64, -70.20)
CIE-LCH	lch(42.69, 80.13, 298.83°)
OKLab	oklab(52.15% 0.0143 -0.2024)
OKLCH	oklch(52.15% 0.203 274)
XYZ	xyz(18.8539, 12.9493, 68.5100)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B54DB #DBD24B

analogous

#4B9CDB #4B54DB #8A4BDB

triadic

#4B54DB #DB4B54 #54DB4B

tetradic

#4B54DB #DB4B9C #DBD24B #4BDB8A

square

#4B54DB #DB4B9C #DBD24B #4BDB8A

split-complementary

#4B54DB #DB8A4B #9CDB4B

monochromatic

#1D248F #2730C2 #4B54DB #7E84E5 #B1B5EF

Accessibility & contrast

On white

5.85

#4B54DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#4B54DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B54DB

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B54DB	#FFFFFF	#000000	##FFFFFF
##4B54DB	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDF

Deuteranopia (green-blind)

#005ED8

Tritanopia (blue-blind)

#007690

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4b54db;
/* rgb */ color: rgb(75, 84, 219);
/* oklch */ color: oklch(52.1% 0.203 274.0);

Tailwind

colors: {
  custom: {
    50: '#8e84e7',
    500: '#4b54db',
    950: '#000000',
  },
}

SCSS

$custom: #4b54db;
$custom-light: #8e84e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b54db",
  "rgb": {
    "r": 75,
    "g": 84,
    "b": 219
  },
  "hsl": {
    "h": 236.25,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.52148,
    "c": 0.20289,
    "h": 274
  },
  "luminance": 0.12951
}

Semantic roles & 50–950 ramp

primary

#4B54DB

secondary

#DEDAA4

accent

#DF3EEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4B54DB

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

Preview Lab → · Contrast checker → · Palette generator →