#3F90AA#3F90AA

#3F90AA is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.4% C 0.087 H 222.1°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F90AA
RGB	rgb(63, 144, 170)
HSL	hsl(195, 46%, 46%)
HSV	hsv(195, 63%, 67%)
CMYK	cmyk(62.9%, 15.3%, 0%, 33.3%)
CIE-LAB	lab(55.99, -16.54, -21.03)
CIE-LCH	lch(55.99, 26.75, 231.80°)
OKLab	oklab(61.39% -0.0647 -0.0586)
OKLCH	oklch(61.39% 0.087 222.1)
XYZ	xyz(19.2760, 23.9036, 41.6204)
Luminance	0.2391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F90AA #AA593F

analogous

#3FAA8E #3F90AA #3F5BAA

triadic

#3F90AA #AA3F90 #90AA3F

tetradic

#3F90AA #8E3FAA #AA593F #5BAA3F

square

#3F90AA #8E3FAA #AA593F #5BAA3F

split-complementary

#3F90AA #AA3F5B #AA8E3F

monochromatic

#1E4451 #2E6A7D #3F90AA #62ADC5 #8EC4D5

Accessibility & contrast

On white

3.63

#3F90AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#3F90AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90AA

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F90AA	#FFFFFF	#000000	##000000
##3F90AA	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)

#818DAB

Deuteranopia (green-blind)

#7181AA

Tritanopia (blue-blind)

#009898

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f90aa;
/* rgb */ color: rgb(63, 144, 170);
/* oklch */ color: oklch(61.4% 0.087 222.1);

Tailwind

colors: {
  custom: {
    50: '#7fb0c3',
    500: '#3f90aa',
    950: '#000000',
  },
}

SCSS

$custom: #3f90aa;
$custom-light: #7fb0c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f90aa",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 170
  },
  "hsl": {
    "h": 194.579,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.61392,
    "c": 0.08727,
    "h": 222.1
  },
  "luminance": 0.23906
}

Semantic roles & 50–950 ramp

primary

#3F90AA

secondary

#C09385

accent

#7252D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3F90AA

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

Preview Lab → · Contrast checker → · Palette generator →