#4E81CF#4E81CF

#4E81CF is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.4% C 0.132 H 258.6°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4E81CF
RGB	rgb(78, 129, 207)
HSL	hsl(216, 57%, 56%)
HSV	hsv(216, 62%, 81%)
CMYK	cmyk(62.3%, 37.7%, 0%, 18.8%)
CIE-LAB	lab(53.84, 7.13, -45.41)
CIE-LCH	lch(53.84, 45.97, 278.92°)
OKLab	oklab(60.4% -0.0259 -0.1289)
OKLCH	oklch(60.4% 0.132 258.6)
XYZ	xyz(22.2506, 21.8232, 62.0591)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E81CF #CF9C4E

analogous

#4EC1CF #4E81CF #5B4ECF

triadic

#4E81CF #CF4E81 #81CF4E

tetradic

#4E81CF #CF4EC1 #CF9C4E #4ECF5B

square

#4E81CF #CF4EC1 #CF9C4E #4ECF5B

split-complementary

#4E81CF #CF5B4E #C1CF4E

monochromatic

#234880 #3062B0 #4E81CF #7EA3DC #AEC6E9

Accessibility & contrast

On white

3.91

#4E81CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#4E81CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E81CF

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E81CF	#FFFFFF	#000000	##000000
##4E81CF	1.00	3.91	5.36	5.36
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F87D2

Deuteranopia (green-blind)

#4D7BCD

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4e81cf;
/* rgb */ color: rgb(78, 129, 207);
/* oklch */ color: oklch(60.4% 0.132 258.6);

Tailwind

colors: {
  custom: {
    50: '#8ba5de',
    500: '#4e81cf',
    950: '#000000',
  },
}

SCSS

$custom: #4e81cf;
$custom-light: #8ba5de;
$custom-dark: #000000;

JSON

{
  "hex": "#4e81cf",
  "rgb": {
    "r": 78,
    "g": 129,
    "b": 207
  },
  "hsl": {
    "h": 216.279,
    "s": 57.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.60401,
    "c": 0.13153,
    "h": 258.6
  },
  "luminance": 0.21825
}

Semantic roles & 50–950 ramp

primary

#4E81CF

secondary

#D7C2A2

accent

#A447E1

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #4E81CF

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

Preview Lab → · Contrast checker → · Palette generator →