#4A78BC#4A78BC

#4A78BC is a mid, moderate blue. Relative luminance 0.185; OKLCH L 57.1% C 0.117 H 258.0°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4A78BC
RGB	rgb(74, 120, 188)
HSL	hsl(216, 46%, 51%)
HSV	hsv(216, 61%, 74%)
CMYK	cmyk(60.6%, 36.2%, 0%, 26.3%)
CIE-LAB	lab(50.12, 5.37, -40.47)
CIE-LCH	lch(50.12, 40.82, 277.56°)
OKLab	oklab(57.14% -0.0243 -0.1147)
OKLCH	oklch(57.14% 0.117 258)
XYZ	xyz(18.6144, 18.5180, 50.1606)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A78BC #BC8E4A

analogous

#4AB1BC #4A78BC #554ABC

triadic

#4A78BC #BC4A78 #78BC4A

tetradic

#4A78BC #BC4AB1 #BC8E4A #4ABC55

square

#4A78BC #BC4AB1 #BC8E4A #4ABC55

split-complementary

#4A78BC #BC554A #B1BC4A

monochromatic

#264066 #365B93 #4A78BC #7799CD #A3BBDD

Accessibility & contrast

On white

4.46

#4A78BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4A78BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A78BC

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A78BC	#FFFFFF	#000000	##000000
##4A78BC	1.00	4.46	4.70	4.70
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DBF

Deuteranopia (green-blind)

#4C72BB

Tritanopia (blue-blind)

#008791

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4a78bc;
/* rgb */ color: rgb(74, 120, 188);
/* oklch */ color: oklch(57.1% 0.117 258.0);

Tailwind

colors: {
  custom: {
    50: '#869ed0',
    500: '#4a78bc',
    950: '#000000',
  },
}

SCSS

$custom: #4a78bc;
$custom-light: #869ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#4a78bc",
  "rgb": {
    "r": 74,
    "g": 120,
    "b": 188
  },
  "hsl": {
    "h": 215.789,
    "s": 45.968,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57136,
    "c": 0.11721,
    "h": 258
  },
  "luminance": 0.1852
}

Semantic roles & 50–950 ramp

primary

#4A78BC

secondary

#CAB698

accent

#A152D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4A78BC

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

Preview Lab → · Contrast checker → · Palette generator →