#4E78B2#4E78B2

#4E78B2 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.8% C 0.102 H 256.7°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4E78B2
RGB	rgb(78, 120, 178)
HSL	hsl(215, 39%, 50%)
HSV	hsv(215, 56%, 70%)
CMYK	cmyk(56.2%, 32.6%, 0%, 30.2%)
CIE-LAB	lab(49.82, 2.86, -35.16)
CIE-LCH	lch(49.82, 35.28, 274.65°)
OKLab	oklab(56.79% -0.0234 -0.0991)
OKLCH	oklch(56.79% 0.102 256.7)
XYZ	xyz(17.8914, 18.2655, 44.6936)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E78B2 #B2884E

analogous

#4EAAB2 #4E78B2 #564EB2

triadic

#4E78B2 #B24E78 #78B24E

tetradic

#4E78B2 #B24EAA #B2884E #4EB256

square

#4E78B2 #B24EAA #B2884E #4EB256

split-complementary

#4E78B2 #B2564E #AAB24E

monochromatic

#293F5D #3B5B88 #4E78B2 #7999C5 #A3B9D7

Accessibility & contrast

On white

4.51

#4E78B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4E78B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E78B2

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E78B2	#FFFFFF	#000000	##000000
##4E78B2	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607CB4

Deuteranopia (green-blind)

#5472B1

Tritanopia (blue-blind)

#05858D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4e78b2;
/* rgb */ color: rgb(78, 120, 178);
/* oklch */ color: oklch(56.8% 0.102 256.7);

Tailwind

colors: {
  custom: {
    50: '#879ec9',
    500: '#4e78b2',
    950: '#000000',
  },
}

SCSS

$custom: #4e78b2;
$custom-light: #879ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e78b2",
  "rgb": {
    "r": 78,
    "g": 120,
    "b": 178
  },
  "hsl": {
    "h": 214.8,
    "s": 39.37,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5679,
    "c": 0.10186,
    "h": 256.7
  },
  "luminance": 0.18267
}

Semantic roles & 50–950 ramp

primary

#4E78B2

secondary

#C4B198

accent

#9D59CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #4E78B2

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

Preview Lab → · Contrast checker → · Palette generator →