#4D81CE#4D81CE

#4D81CE is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.3% C 0.131 H 258.1°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#4D81CE
RGB	rgb(77, 129, 206)
HSL	hsl(216, 57%, 55%)
HSV	hsv(216, 63%, 81%)
CMYK	cmyk(62.6%, 37.4%, 0%, 19.2%)
CIE-LAB	lab(53.74, 6.60, -45.00)
CIE-LCH	lch(53.74, 45.48, 278.35°)
OKLab	oklab(60.3% -0.027 -0.1278)
OKLCH	oklch(60.3% 0.131 258.1)
XYZ	xyz(22.0474, 21.7325, 61.4135)
Luminance	0.2173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D81CE #CE9A4D

analogous

#4DC1CE #4D81CE #594DCE

triadic

#4D81CE #CE4D81 #81CE4D

tetradic

#4D81CE #CE4DC1 #CE9A4D #4DCE59

square

#4D81CE #CE4DC1 #CE9A4D #4DCE59

split-complementary

#4D81CE #CE594D #C1CE4D

monochromatic

#23477E #3063AE #4D81CE #7DA3DB #ADC5E8

Accessibility & contrast

On white

3.93

#4D81CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#4D81CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D81CE

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D81CE	#FFFFFF	#000000	##000000
##4D81CE	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6087D1

Deuteranopia (green-blind)

#4E7BCC

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4d81ce;
/* rgb */ color: rgb(77, 129, 206);
/* oklch */ color: oklch(60.3% 0.131 258.1);

Tailwind

colors: {
  custom: {
    50: '#8aa5dd',
    500: '#4d81ce',
    950: '#000000',
  },
}

SCSS

$custom: #4d81ce;
$custom-light: #8aa5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4d81ce",
  "rgb": {
    "r": 77,
    "g": 129,
    "b": 206
  },
  "hsl": {
    "h": 215.814,
    "s": 56.828,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60297,
    "c": 0.13058,
    "h": 258.1
  },
  "luminance": 0.21735
}

Semantic roles & 50–950 ramp

primary

#4D81CE

secondary

#D6C1A1

accent

#A348E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #4D81CE

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

Preview Lab → · Contrast checker → · Palette generator →