#4B61BC#4B61BC

#4B61BC is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.3% C 0.145 H 270.5°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#4B61BC
RGB	rgb(75, 97, 188)
HSL	hsl(228, 46%, 52%)
HSV	hsv(228, 60%, 74%)
CMYK	cmyk(60.1%, 48.4%, 0%, 26.3%)
CIE-LAB	lab(43.76, 19.91, -50.59)
CIE-LCH	lch(43.76, 54.37, 291.48°)
OKLab	oklab(52.26% 0.0012 -0.1446)
OKLCH	oklch(52.26% 0.145 270.5)
XYZ	xyz(16.2504, 13.6748, 49.3503)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B61BC #BCA64B

analogous

#4B9ABC #4B61BC #6E4BBC

triadic

#4B61BC #BC4B61 #61BC4B

tetradic

#4B61BC #BC4B9A #BCA64B #4BBC6E

square

#4B61BC #BC4B9A #BCA64B #4BBC6E

split-complementary

#4B61BC #BC6E4B #9ABC4B

monochromatic

#263366 #374993 #4B61BC #7888CD #A4AFDD

Accessibility & contrast

On white

5.62

#4B61BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#4B61BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B61BC

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B61BC	#FFFFFF	#000000	##FFFFFF
##4B61BC	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336DBF

Deuteranopia (green-blind)

#2063BA

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4b61bc;
/* rgb */ color: rgb(75, 97, 188);
/* oklch */ color: oklch(52.3% 0.145 270.5);

Tailwind

colors: {
  custom: {
    50: '#878dd1',
    500: '#4b61bc',
    950: '#000000',
  },
}

SCSS

$custom: #4b61bc;
$custom-light: #878dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b61bc",
  "rgb": {
    "r": 75,
    "g": 97,
    "b": 188
  },
  "hsl": {
    "h": 228.319,
    "s": 45.749,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52257,
    "c": 0.1446,
    "h": 270.5
  },
  "luminance": 0.13676
}

Semantic roles & 50–950 ramp

primary

#4B61BC

secondary

#CAC199

accent

#BC52D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4B61BC

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

Preview Lab → · Contrast checker → · Palette generator →