#3990AF#3990AF

#3990AF is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.4% C 0.094 H 225.2°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3990AF
RGB	rgb(57, 144, 175)
HSL	hsl(196, 51%, 45%)
HSV	hsv(196, 67%, 69%)
CMYK	cmyk(67.4%, 17.7%, 0%, 31.4%)
CIE-LAB	lab(56.00, -15.96, -23.89)
CIE-LCH	lch(56.00, 28.73, 236.25°)
OKLab	oklab(61.41% -0.0664 -0.0668)
OKLCH	oklch(61.41% 0.094 225.2)
XYZ	xyz(19.3953, 23.9094, 44.1419)
Luminance	0.2391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3990AF #AF5839

analogous

#39AF93 #3990AF #3955AF

triadic

#3990AF #AF3990 #90AF39

tetradic

#3990AF #9339AF #AF5839 #55AF39

square

#3990AF #9339AF #AF5839 #55AF39

split-complementary

#3990AF #AF3955 #AF9339

monochromatic

#1B4453 #2A6A81 #3990AF #5BADCA #8AC4D9

Accessibility & contrast

On white

3.63

#3990AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#3990AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3990AF

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3990AF	#FFFFFF	#000000	##000000
##3990AF	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8DB1

Deuteranopia (green-blind)

#6E81AF

Tritanopia (blue-blind)

#00999A

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3990af;
/* rgb */ color: rgb(57, 144, 175);
/* oklch */ color: oklch(61.4% 0.094 225.2);

Tailwind

colors: {
  custom: {
    50: '#7db0c7',
    500: '#3990af',
    950: '#000000',
  },
}

SCSS

$custom: #3990af;
$custom-light: #7db0c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3990af",
  "rgb": {
    "r": 57,
    "g": 144,
    "b": 175
  },
  "hsl": {
    "h": 195.763,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.61408,
    "c": 0.09414,
    "h": 225.2
  },
  "luminance": 0.23912
}

Semantic roles & 50–950 ramp

primary

#3990AF

secondary

#C39281

accent

#724DDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3990AF

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

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