#4B61BA#4B61BA

#4B61BA is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.1% C 0.142 H 270.4°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#4B61BA
RGB	rgb(75, 97, 186)
HSL	hsl(228, 45%, 51%)
HSV	hsv(228, 60%, 73%)
CMYK	cmyk(59.7%, 47.8%, 0%, 27.1%)
CIE-LAB	lab(43.64, 19.23, -49.63)
CIE-LCH	lch(43.64, 53.22, 291.18°)
OKLab	oklab(52.12% 0.001 -0.1418)
OKLCH	oklch(52.12% 0.142 270.4)
XYZ	xyz(16.0363, 13.5891, 48.2227)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B61BA #BAA44B

analogous

#4B98BA #4B61BA #6C4BBA

triadic

#4B61BA #BA4B61 #61BA4B

tetradic

#4B61BA #BA4B98 #BAA44B #4BBA6C

square

#4B61BA #BA4B98 #BAA44B #4BBA6C

split-complementary

#4B61BA #BA6C4B #98BA4B

monochromatic

#263364 #374990 #4B61BA #7788CB #A3AFDC

Accessibility & contrast

On white

5.65

#4B61BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#4B61BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B61BA

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B61BA	#FFFFFF	#000000	##FFFFFF
##4B61BA	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356CBD

Deuteranopia (green-blind)

#2362B8

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4b61ba;
/* rgb */ color: rgb(75, 97, 186);
/* oklch */ color: oklch(52.1% 0.142 270.4);

Tailwind

colors: {
  custom: {
    50: '#878dcf',
    500: '#4b61ba',
    950: '#000000',
  },
}

SCSS

$custom: #4b61ba;
$custom-light: #878dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b61ba",
  "rgb": {
    "r": 75,
    "g": 97,
    "b": 186
  },
  "hsl": {
    "h": 228.108,
    "s": 44.578,
    "l": 51.176
  },
  "oklch": {
    "l": 0.52121,
    "c": 0.14176,
    "h": 270.4
  },
  "luminance": 0.1359
}

Semantic roles & 50–950 ramp

primary

#4B61BA

secondary

#C9BF98

accent

#BB54D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4B61BA

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

Preview Lab → · Contrast checker → · Palette generator →