#4B61DB#4B61DB

#4B61DB is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.5% C 0.187 H 271.1°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#4B61DB
RGB	rgb(75, 97, 219)
HSL	hsl(231, 67%, 58%)
HSV	hsv(231, 66%, 86%)
CMYK	cmyk(65.8%, 55.7%, 0%, 14.1%)
CIE-LAB	lab(45.85, 30.59, -65.05)
CIE-LCH	lch(45.85, 71.88, 295.19°)
OKLab	oklab(54.5% 0.0036 -0.1871)
OKLCH	oklch(54.5% 0.187 271.1)
XYZ	xyz(19.9582, 15.1579, 68.8781)
Luminance	0.1516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B61DB #DBC54B

analogous

#4BA9DB #4B61DB #7D4BDB

triadic

#4B61DB #DB4B61 #61DB4B

tetradic

#4B61DB #DB4BA9 #DBC54B #4BDB7D

square

#4B61DB #DB4BA9 #DBC54B #4BDB7D

split-complementary

#4B61DB #DB7D4B #A9DB4B

monochromatic

#1D2E8F #273FC2 #4B61DB #7E8EE5 #B1BBEF

Accessibility & contrast

On white

5.21

#4B61DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#4B61DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B61DB

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B61DB	#FFFFFF	#000000	##FFFFFF
##4B61DB	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073DF

Deuteranopia (green-blind)

#0066D9

Tritanopia (blue-blind)

#007E94

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4b61db;
/* rgb */ color: rgb(75, 97, 219);
/* oklch */ color: oklch(54.5% 0.187 271.1);

Tailwind

colors: {
  custom: {
    50: '#8d8de7',
    500: '#4b61db',
    950: '#000000',
  },
}

SCSS

$custom: #4b61db;
$custom-light: #8d8de7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b61db",
  "rgb": {
    "r": 75,
    "g": 97,
    "b": 219
  },
  "hsl": {
    "h": 230.833,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.54495,
    "c": 0.18717,
    "h": 271.1
  },
  "luminance": 0.1516
}

Semantic roles & 50–950 ramp

primary

#4B61DB

secondary

#DED5A4

accent

#CF3EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4B61DB

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

Preview Lab → · Contrast checker → · Palette generator →