#4083B7#4083B7

#4083B7 is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.9% C 0.105 H 244.4°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#4083B7
RGB	rgb(64, 131, 183)
HSL	hsl(206, 48%, 48%)
HSV	hsv(206, 65%, 72%)
CMYK	cmyk(65%, 28.4%, 0%, 28.2%)
CIE-LAB	lab(52.66, -4.77, -33.62)
CIE-LCH	lch(52.66, 33.96, 261.93°)
OKLab	oklab(58.94% -0.0453 -0.0948)
OKLCH	oklch(58.94% 0.105 244.4)
XYZ	xyz(18.7747, 20.7396, 47.8043)
Luminance	0.2074 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4083B7 #B77440

analogous

#40B7AF #4083B7 #4048B7

triadic

#4083B7 #B74083 #83B740

tetradic

#4083B7 #AF40B7 #B77440 #48B740

square

#4083B7 #AF40B7 #B77440 #48B740

split-complementary

#4083B7 #B74048 #B7AF40

monochromatic

#20425C #30638A #4083B7 #69A0CB #97BDDB

Accessibility & contrast

On white

4.08

#4083B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#4083B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4083B7

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4083B7	#FFFFFF	#000000	##000000
##4083B7	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C84B9

Deuteranopia (green-blind)

#5C78B6

Tritanopia (blue-blind)

#009095

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4083b7;
/* rgb */ color: rgb(64, 131, 183);
/* oklch */ color: oklch(58.9% 0.105 244.4);

Tailwind

colors: {
  custom: {
    50: '#81a6cd',
    500: '#4083b7',
    950: '#000000',
  },
}

SCSS

$custom: #4083b7;
$custom-light: #81a6cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4083b7",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 183
  },
  "hsl": {
    "h": 206.218,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.58936,
    "c": 0.10506,
    "h": 244.4
  },
  "luminance": 0.20741
}

Semantic roles & 50–950 ramp

primary

#4083B7

secondary

#C6A68D

accent

#8B50D8

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4083B7

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

Preview Lab → · Contrast checker → · Palette generator →