#4083BB#4083BB

#4083BB is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 59.1% C 0.110 H 246.3°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#4083BB
RGB	rgb(64, 131, 187)
HSL	hsl(207, 49%, 49%)
HSV	hsv(207, 66%, 73%)
CMYK	cmyk(65.8%, 29.9%, 0%, 26.7%)
CIE-LAB	lab(52.85, -3.40, -35.62)
CIE-LCH	lch(52.85, 35.79, 264.54°)
OKLab	oklab(59.14% -0.0441 -0.1006)
OKLCH	oklch(59.14% 0.11 246.3)
XYZ	xyz(19.1969, 20.9085, 50.0281)
Luminance	0.2091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4083BB #BB7840

analogous

#40BBB6 #4083BB #4046BB

triadic

#4083BB #BB4083 #83BB40

tetradic

#4083BB #B640BB #BB7840 #46BB40

square

#4083BB #B640BB #BB7840 #46BB40

split-complementary

#4083BB #BB4046 #BBB640

monochromatic

#214360 #30638D #4083BB #6CA0CD #99BEDC

Accessibility & contrast

On white

4.05

#4083BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#4083BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4083BB

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4083BB	#FFFFFF	#000000	##000000
##4083BB	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A85BD

Deuteranopia (green-blind)

#5979BA

Tritanopia (blue-blind)

#009097

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4083bb;
/* rgb */ color: rgb(64, 131, 187);
/* oklch */ color: oklch(59.1% 0.110 246.3);

Tailwind

colors: {
  custom: {
    50: '#81a6cf',
    500: '#4083bb',
    950: '#000000',
  },
}

SCSS

$custom: #4083bb;
$custom-light: #81a6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4083bb",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 187
  },
  "hsl": {
    "h": 207.317,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.59144,
    "c": 0.10982,
    "h": 246.3
  },
  "luminance": 0.2091
}

Semantic roles & 50–950 ramp

primary

#4083BB

secondary

#C8A98F

accent

#8E4FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #4083BB

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

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