#4081BB#4081BB

#4081BB is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.7% C 0.112 H 247.9°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#4081BB
RGB	rgb(64, 129, 187)
HSL	hsl(208, 49%, 49%)
HSV	hsv(208, 66%, 73%)
CMYK	cmyk(65.8%, 31%, 0%, 26.7%)
CIE-LAB	lab(52.26, -2.23, -36.55)
CIE-LCH	lch(52.26, 36.62, 266.51°)
OKLab	oklab(58.68% -0.042 -0.1033)
OKLCH	oklch(58.68% 0.112 247.9)
XYZ	xyz(18.9309, 20.3764, 49.9394)
Luminance	0.2038 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4081BB #BB7A40

analogous

#40BBB8 #4081BB #4043BB

triadic

#4081BB #BB4081 #81BB40

tetradic

#4081BB #B840BB #BB7A40 #43BB40

square

#4081BB #B840BB #BB7A40 #43BB40

split-complementary

#4081BB #BB4043 #BBB840

monochromatic

#214260 #30628D #4081BB #6C9FCD #99BDDC

Accessibility & contrast

On white

4.14

#4081BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#4081BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4081BB

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4081BB	#FFFFFF	#000000	##000000
##4081BB	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6883BE

Deuteranopia (green-blind)

#5777BA

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4081bb;
/* rgb */ color: rgb(64, 129, 187);
/* oklch */ color: oklch(58.7% 0.112 247.9);

Tailwind

colors: {
  custom: {
    50: '#81a5cf',
    500: '#4081bb',
    950: '#000000',
  },
}

SCSS

$custom: #4081bb;
$custom-light: #81a5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4081bb",
  "rgb": {
    "r": 64,
    "g": 129,
    "b": 187
  },
  "hsl": {
    "h": 208.293,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.5868,
    "c": 0.11151,
    "h": 247.9
  },
  "luminance": 0.20378
}

Semantic roles & 50–950 ramp

primary

#4081BB

secondary

#C8AA8F

accent

#904FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #4081BB

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

Preview Lab → · Contrast checker → · Palette generator →