#3990AD#3990AD

#3990AD is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.3% C 0.093 H 223.6°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3990AD
RGB	rgb(57, 144, 173)
HSL	hsl(195, 50%, 45%)
HSV	hsv(195, 67%, 68%)
CMYK	cmyk(67.1%, 16.8%, 0%, 32.2%)
CIE-LAB	lab(55.92, -16.62, -22.87)
CIE-LCH	lch(55.92, 28.27, 234.00°)
OKLab	oklab(61.32% -0.0671 -0.0638)
OKLCH	oklch(61.32% 0.093 223.6)
XYZ	xyz(19.2004, 23.8314, 43.1151)
Luminance	0.2383 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3990AD #AD5639

analogous

#39AD90 #3990AD #3956AD

triadic

#3990AD #AD3990 #90AD39

tetradic

#3990AD #9039AD #AD5639 #56AD39

square

#3990AD #9039AD #AD5639 #56AD39

split-complementary

#3990AD #AD3956 #AD9039

monochromatic

#1B4351 #2A6A7F #3990AD #5AADC9 #88C4D8

Accessibility & contrast

On white

3.64

#3990AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#3990AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3990AD

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3990AD	#FFFFFF	#000000	##000000
##3990AD	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808DAF

Deuteranopia (green-blind)

#6F81AD

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3990ad;
/* rgb */ color: rgb(57, 144, 173);
/* oklch */ color: oklch(61.3% 0.093 223.6);

Tailwind

colors: {
  custom: {
    50: '#7db0c5',
    500: '#3990ad',
    950: '#000000',
  },
}

SCSS

$custom: #3990ad;
$custom-light: #7db0c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3990ad",
  "rgb": {
    "r": 57,
    "g": 144,
    "b": 173
  },
  "hsl": {
    "h": 195,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.6132,
    "c": 0.09265,
    "h": 223.6
  },
  "luminance": 0.23834
}

Semantic roles & 50–950 ramp

primary

#3990AD

secondary

#C29080

accent

#714EDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3990AD

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

Preview Lab → · Contrast checker → · Palette generator →