#4F61CB#4F61CB

#4F61CB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.5% C 0.164 H 272.4°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#4F61CB
RGB	rgb(79, 97, 203)
HSL	hsl(231, 54%, 55%)
HSV	hsv(231, 61%, 80%)
CMYK	cmyk(61.1%, 52.2%, 0%, 20.4%)
CIE-LAB	lab(44.97, 25.78, -57.31)
CIE-LCH	lch(44.97, 62.84, 294.22°)
OKLab	oklab(53.55% 0.0069 -0.1643)
OKLCH	oklch(53.55% 0.164 272.4)
XYZ	xyz(18.2751, 14.5220, 58.3283)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F61CB #CBB94F

analogous

#4F9FCB #4F61CB #7B4FCB

triadic

#4F61CB #CB4F61 #61CB4F

tetradic

#4F61CB #CB4F9F #CBB94F #4FCB7B

square

#4F61CB #CB4F9F #CBB94F #4FCB7B

split-complementary

#4F61CB #CB7B4F #9FCB4F

monochromatic

#24317B #3244AA #4F61CB #7E8BD9 #ADB6E7

Accessibility & contrast

On white

5.38

#4F61CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#4F61CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F61CB

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F61CB	#FFFFFF	#000000	##FFFFFF
##4F61CB	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2170CF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#007A8D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4f61cb;
/* rgb */ color: rgb(79, 97, 203);
/* oklch */ color: oklch(53.5% 0.164 272.4);

Tailwind

colors: {
  custom: {
    50: '#8c8ddb',
    500: '#4f61cb',
    950: '#000000',
  },
}

SCSS

$custom: #4f61cb;
$custom-light: #8c8ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#4f61cb",
  "rgb": {
    "r": 79,
    "g": 97,
    "b": 203
  },
  "hsl": {
    "h": 231.29,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.53546,
    "c": 0.1644,
    "h": 272.4
  },
  "luminance": 0.14523
}

Semantic roles & 50–950 ramp

primary

#4F61CB

secondary

#D5CDA1

accent

#C84ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4F61CB

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

Preview Lab → · Contrast checker → · Palette generator →