#4D61BB#4D61BB

#4D61BB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.3% C 0.143 H 271.3°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#4D61BB
RGB	rgb(77, 97, 187)
HSL	hsl(229, 45%, 52%)
HSV	hsv(229, 59%, 73%)
CMYK	cmyk(58.8%, 48.1%, 0%, 26.7%)
CIE-LAB	lab(43.82, 19.96, -49.91)
CIE-LCH	lch(43.82, 53.75, 291.80°)
OKLab	oklab(52.31% 0.0032 -0.1425)
OKLCH	oklch(52.31% 0.143 271.3)
XYZ	xyz(16.3019, 13.7138, 48.7920)
Luminance	0.1371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D61BB #BBA74D

analogous

#4D98BB #4D61BB #704DBB

triadic

#4D61BB #BB4D61 #61BB4D

tetradic

#4D61BB #BB4D98 #BBA74D #4DBB70

square

#4D61BB #BB4D98 #BBA74D #4DBB70

split-complementary

#4D61BB #BB704D #98BB4D

monochromatic

#273366 #384993 #4D61BB #7988CC #A6B0DD

Accessibility & contrast

On white

5.61

#4D61BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#4D61BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D61BB

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D61BB	#FFFFFF	#000000	##FFFFFF
##4D61BB	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356DBE

Deuteranopia (green-blind)

#2363B9

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4d61bb;
/* rgb */ color: rgb(77, 97, 187);
/* oklch */ color: oklch(52.3% 0.143 271.3);

Tailwind

colors: {
  custom: {
    50: '#888dd0',
    500: '#4d61bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d61bb;
$custom-light: #888dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d61bb",
  "rgb": {
    "r": 77,
    "g": 97,
    "b": 187
  },
  "hsl": {
    "h": 229.091,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.52311,
    "c": 0.14259,
    "h": 271.3
  },
  "luminance": 0.13715
}

Semantic roles & 50–950 ramp

primary

#4D61BB

secondary

#CAC19A

accent

#BD53D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4D61BB

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

Preview Lab → · Contrast checker → · Palette generator →