#4F78BF#4F78BF

#4F78BF is a mid, moderate blue. Relative luminance 0.189; OKLCH L 57.6% C 0.119 H 260.8°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4F78BF
RGB	rgb(79, 120, 191)
HSL	hsl(218, 47%, 53%)
HSV	hsv(218, 59%, 75%)
CMYK	cmyk(58.6%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(50.52, 7.38, -41.55)
CIE-LCH	lch(50.52, 42.20, 280.08°)
OKLab	oklab(57.56% -0.0192 -0.1177)
OKLCH	oklch(57.56% 0.119 260.8)
XYZ	xyz(19.3416, 18.8552, 51.9003)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F78BF #BF964F

analogous

#4FB0BF #4F78BF #5E4FBF

triadic

#4F78BF #BF4F78 #78BF4F

tetradic

#4F78BF #BF4FB0 #BF964F #4FBF5E

square

#4F78BF #BF4FB0 #BF964F #4FBF5E

split-complementary

#4F78BF #BF5E4F #B0BF4F

monochromatic

#27416C #385B99 #4F78BF #7C9ACF #A9BDE0

Accessibility & contrast

On white

4.40

#4F78BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#4F78BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F78BF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F78BF	#FFFFFF	#000000	##000000
##4F78BF	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7EC2

Deuteranopia (green-blind)

#4C73BE

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4f78bf;
/* rgb */ color: rgb(79, 120, 191);
/* oklch */ color: oklch(57.6% 0.119 260.8);

Tailwind

colors: {
  custom: {
    50: '#899ed2',
    500: '#4f78bf',
    950: '#000000',
  },
}

SCSS

$custom: #4f78bf;
$custom-light: #899ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f78bf",
  "rgb": {
    "r": 79,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 218.036,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57562,
    "c": 0.11928,
    "h": 260.8
  },
  "luminance": 0.18857
}

Semantic roles & 50–950 ramp

primary

#4F78BF

secondary

#CDBB9D

accent

#A651D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4F78BF

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

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