#4B81CE#4B81CE

#4B81CE is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.2% C 0.131 H 257.4°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#4B81CE
RGB	rgb(75, 129, 206)
HSL	hsl(215, 57%, 55%)
HSV	hsv(215, 64%, 81%)
CMYK	cmyk(63.6%, 37.4%, 0%, 19.2%)
CIE-LAB	lab(53.65, 6.24, -45.15)
CIE-LCH	lch(53.65, 45.58, 277.87°)
OKLab	oklab(60.2% -0.0286 -0.1282)
OKLCH	oklch(60.2% 0.131 257.4)
XYZ	xyz(21.8885, 21.6505, 61.4060)
Luminance	0.2165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B81CE #CE984B

analogous

#4BC3CE #4B81CE #564BCE

triadic

#4B81CE #CE4B81 #81CE4B

tetradic

#4B81CE #CE4BC3 #CE984B #4BCE56

square

#4B81CE #CE4BC3 #CE984B #4BCE56

split-complementary

#4B81CE #CE564B #C3CE4B

monochromatic

#22477D #2F63AD #4B81CE #7BA3DB #ABC4E8

Accessibility & contrast

On white

3.94

#4B81CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#4B81CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B81CE

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B81CE	#FFFFFF	#000000	##000000
##4B81CE	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F87D1

Deuteranopia (green-blind)

#4D7BCC

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4b81ce;
/* rgb */ color: rgb(75, 129, 206);
/* oklch */ color: oklch(60.2% 0.131 257.4);

Tailwind

colors: {
  custom: {
    50: '#89a5dd',
    500: '#4b81ce',
    950: '#000000',
  },
}

SCSS

$custom: #4b81ce;
$custom-light: #89a5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4b81ce",
  "rgb": {
    "r": 75,
    "g": 129,
    "b": 206
  },
  "hsl": {
    "h": 215.267,
    "s": 57.205,
    "l": 55.098
  },
  "oklch": {
    "l": 0.60204,
    "c": 0.13137,
    "h": 257.4
  },
  "luminance": 0.21653
}

Semantic roles & 50–950 ramp

primary

#4B81CE

secondary

#D6BF9F

accent

#A147E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D0F15

muted

#7D7F83

Preview Lab

Preview with #4B81CE

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

Preview Lab → · Contrast checker → · Palette generator →