#3F90AF#3F90AF

#3F90AF is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.6% C 0.091 H 226.4°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F90AF
RGB	rgb(63, 144, 175)
HSL	hsl(197, 47%, 47%)
HSV	hsv(197, 64%, 69%)
CMYK	cmyk(64%, 17.7%, 0%, 31.4%)
CIE-LAB	lab(56.18, -14.95, -23.59)
CIE-LCH	lch(56.18, 27.92, 237.63°)
OKLab	oklab(61.61% -0.0628 -0.0658)
OKLCH	oklch(61.61% 0.091 226.4)
XYZ	xyz(19.7580, 24.0964, 44.1589)
Luminance	0.2410 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F90AF #AF5E3F

analogous

#3FAF96 #3F90AF #3F58AF

triadic

#3F90AF #AF3F90 #90AF3F

tetradic

#3F90AF #963FAF #AF5E3F #58AF3F

square

#3F90AF #963FAF #AF5E3F #58AF3F

split-complementary

#3F90AF #AF3F58 #AF963F

monochromatic

#1F4655 #2F6B82 #3F90AF #64ACC7 #91C4D7

Accessibility & contrast

On white

3.61

#3F90AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#3F90AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90AF

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F90AF	#FFFFFF	#000000	##000000
##3F90AF	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8DB1

Deuteranopia (green-blind)

#7082AF

Tritanopia (blue-blind)

#00999A

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3f90af;
/* rgb */ color: rgb(63, 144, 175);
/* oklch */ color: oklch(61.6% 0.091 226.4);

Tailwind

colors: {
  custom: {
    50: '#80b0c7',
    500: '#3f90af',
    950: '#000000',
  },
}

SCSS

$custom: #3f90af;
$custom-light: #80b0c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f90af",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 175
  },
  "hsl": {
    "h": 196.607,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.61611,
    "c": 0.09096,
    "h": 226.4
  },
  "luminance": 0.24098
}

Semantic roles & 50–950 ramp

primary

#3F90AF

secondary

#C39887

accent

#7651D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F90AF

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

Preview Lab → · Contrast checker → · Palette generator →