#4F78BE#4F78BE

#4F78BE is a mid, moderate blue. Relative luminance 0.188; OKLCH L 57.5% C 0.118 H 260.5°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4F78BE
RGB	rgb(79, 120, 190)
HSL	hsl(218, 46%, 53%)
HSV	hsv(218, 58%, 75%)
CMYK	cmyk(58.4%, 36.8%, 0%, 25.5%)
CIE-LAB	lab(50.47, 7.05, -41.05)
CIE-LCH	lch(50.47, 41.65, 279.74°)
OKLab	oklab(57.51% -0.0194 -0.1163)
OKLCH	oklch(57.51% 0.118 260.5)
XYZ	xyz(19.2320, 18.8113, 51.3227)
Luminance	0.1881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F78BE #BE954F

analogous

#4FAFBE #4F78BE #5E4FBE

triadic

#4F78BE #BE4F78 #78BE4F

tetradic

#4F78BE #BE4FAF #BE954F #4FBE5E

square

#4F78BE #BE4FAF #BE954F #4FBE5E

split-complementary

#4F78BE #BE5E4F #AFBE4F

monochromatic

#28406B #385B98 #4F78BE #7C9ACF #A8BDDF

Accessibility & contrast

On white

4.41

#4F78BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4F78BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F78BE

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F78BE	#FFFFFF	#000000	##000000
##4F78BE	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7EC1

Deuteranopia (green-blind)

#4C73BD

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4f78be;
/* rgb */ color: rgb(79, 120, 190);
/* oklch */ color: oklch(57.5% 0.118 260.5);

Tailwind

colors: {
  custom: {
    50: '#899ed2',
    500: '#4f78be',
    950: '#000000',
  },
}

SCSS

$custom: #4f78be;
$custom-light: #899ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f78be",
  "rgb": {
    "r": 79,
    "g": 120,
    "b": 190
  },
  "hsl": {
    "h": 217.838,
    "s": 46.058,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57505,
    "c": 0.1179,
    "h": 260.5
  },
  "luminance": 0.18813
}

Semantic roles & 50–950 ramp

primary

#4F78BE

secondary

#CCBB9C

accent

#A552D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4F78BE

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

Preview Lab → · Contrast checker → · Palette generator →