#3990C5#3990C5

#3990C5 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.5% C 0.115 H 239.3°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#3990C5
RGB	rgb(57, 144, 197)
HSL	hsl(203, 55%, 50%)
HSV	hsv(203, 71%, 77%)
CMYK	cmyk(71.1%, 26.9%, 0%, 22.7%)
CIE-LAB	lab(56.92, -8.57, -34.95)
CIE-LCH	lch(56.92, 35.99, 256.22°)
OKLab	oklab(62.45% -0.0585 -0.0986)
OKLCH	oklch(62.45% 0.115 239.3)
XYZ	xyz(21.7347, 24.8452, 56.4626)
Luminance	0.2485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3990C5 #C56E39

analogous

#39C5B4 #3990C5 #394AC5

triadic

#3990C5 #C53990 #90C539

tetradic

#3990C5 #B439C5 #C56E39 #4AC539

square

#3990C5 #B439C5 #C56E39 #4AC539

split-complementary

#3990C5 #C5394A #C5B439

monochromatic

#1E4B66 #2B6D96 #3990C5 #68ABD3 #97C5E1

Accessibility & contrast

On white

3.52

#3990C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#3990C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3990C5

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3990C5	#FFFFFF	#000000	##000000
##3990C5	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7790C7

Deuteranopia (green-blind)

#6483C4

Tritanopia (blue-blind)

#009DA2

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3990c5;
/* rgb */ color: rgb(57, 144, 197);
/* oklch */ color: oklch(62.5% 0.115 239.3);

Tailwind

colors: {
  custom: {
    50: '#80b0d7',
    500: '#3990c5',
    950: '#000000',
  },
}

SCSS

$custom: #3990c5;
$custom-light: #80b0d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3990c5",
  "rgb": {
    "r": 57,
    "g": 144,
    "b": 197
  },
  "hsl": {
    "h": 202.714,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.62453,
    "c": 0.11464,
    "h": 239.3
  },
  "luminance": 0.24848
}

Semantic roles & 50–950 ramp

primary

#3990C5

secondary

#CDA58D

accent

#8249DE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3990C5

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

Preview Lab → · Contrast checker → · Palette generator →