#4E81AB#4E81AB

#4E81AB is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.5% C 0.085 H 244.8°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4E81AB
RGB	rgb(78, 129, 171)
HSL	hsl(207, 37%, 49%)
HSV	hsv(207, 54%, 67%)
CMYK	cmyk(54.4%, 24.6%, 0%, 32.9%)
CIE-LAB	lab(52.13, -4.73, -27.50)
CIE-LCH	lch(52.13, 27.91, 260.24°)
OKLab	oklab(58.5% -0.0362 -0.0769)
OKLCH	oklch(58.5% 0.085 244.8)
XYZ	xyz(18.3402, 20.2590, 41.4641)
Luminance	0.2026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E81AB #AB784E

analogous

#4EABA7 #4E81AB #4E53AB

triadic

#4E81AB #AB4E81 #81AB4E

tetradic

#4E81AB #A74EAB #AB784E #53AB4E

square

#4E81AB #A74EAB #AB784E #53AB4E

split-complementary

#4E81AB #AB4E53 #ABA74E

monochromatic

#284257 #3B6181 #4E81AB #769FC0 #A0BCD4

Accessibility & contrast

On white

4.16

#4E81AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#4E81AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E81AB

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E81AB	#FFFFFF	#000000	##000000
##4E81AB	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F82AD

Deuteranopia (green-blind)

#6378AA

Tritanopia (blue-blind)

#128B8F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4e81ab;
/* rgb */ color: rgb(78, 129, 171);
/* oklch */ color: oklch(58.5% 0.085 244.8);

Tailwind

colors: {
  custom: {
    50: '#86a5c4',
    500: '#4e81ab',
    950: '#000000',
  },
}

SCSS

$custom: #4e81ab;
$custom-light: #86a5c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4e81ab",
  "rgb": {
    "r": 78,
    "g": 129,
    "b": 171
  },
  "hsl": {
    "h": 207.097,
    "s": 37.349,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58501,
    "c": 0.08503,
    "h": 244.8
  },
  "luminance": 0.2026
}

Semantic roles & 50–950 ramp

primary

#4E81AB

secondary

#C1A894

accent

#8E5ACD

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #4E81AB

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

Preview Lab → · Contrast checker → · Palette generator →