#4F61BB#4F61BB

#4F61BB is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.4% C 0.142 H 272.1°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#4F61BB
RGB	rgb(79, 97, 187)
HSL	hsl(230, 44%, 52%)
HSV	hsv(230, 58%, 73%)
CMYK	cmyk(57.8%, 48.1%, 0%, 26.7%)
CIE-LAB	lab(43.94, 20.36, -49.71)
CIE-LCH	lch(43.94, 53.71, 292.27°)
OKLab	oklab(52.44% 0.0053 -0.1419)
OKLCH	oklch(52.44% 0.142 272.1)
XYZ	xyz(16.4658, 13.7983, 48.7997)
Luminance	0.1380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F61BB #BBA94F

analogous

#4F97BB #4F61BB #734FBB

triadic

#4F61BB #BB4F61 #61BB4F

tetradic

#4F61BB #BB4F97 #BBA94F #4FBB73

square

#4F61BB #BB4F97 #BBA94F #4FBB73

split-complementary

#4F61BB #BB734F #97BB4F

monochromatic

#283368 #394894 #4F61BB #7B89CC #A7B0DD

Accessibility & contrast

On white

5.59

#4F61BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#4F61BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F61BB

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F61BB	#FFFFFF	#000000	##FFFFFF
##4F61BB	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356DBE

Deuteranopia (green-blind)

#2563B9

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4f61bb;
/* rgb */ color: rgb(79, 97, 187);
/* oklch */ color: oklch(52.4% 0.142 272.1);

Tailwind

colors: {
  custom: {
    50: '#898dd0',
    500: '#4f61bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f61bb;
$custom-light: #898dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f61bb",
  "rgb": {
    "r": 79,
    "g": 97,
    "b": 187
  },
  "hsl": {
    "h": 230,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52437,
    "c": 0.14201,
    "h": 272.1
  },
  "luminance": 0.138
}

Semantic roles & 50–950 ramp

primary

#4F61BB

secondary

#CAC39B

accent

#BF54D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4F61BB

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

Preview Lab → · Contrast checker → · Palette generator →