#3997CA#3997CA

#3997CA is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.3% C 0.115 H 236.5°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3997CA
RGB	rgb(57, 151, 202)
HSL	hsl(201, 58%, 51%)
HSV	hsv(201, 72%, 79%)
CMYK	cmyk(71.8%, 25.2%, 0%, 20.8%)
CIE-LAB	lab(59.22, -10.80, -34.19)
CIE-LCH	lch(59.22, 35.85, 252.47°)
OKLab	oklab(64.35% -0.0637 -0.0963)
OKLCH	oklch(64.35% 0.115 236.5)
XYZ	xyz(23.4104, 27.2647, 59.8945)
Luminance	0.2727 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3997CA #CA6C39

analogous

#39CAB4 #3997CA #394ECA

triadic

#3997CA #CA3997 #97CA39

tetradic

#3997CA #B439CA #CA6C39 #4ECA39

square

#3997CA #B439CA #CA6C39 #4ECA39

split-complementary

#3997CA #CA394E #CAB439

monochromatic

#1D506C #2A749C #3997CA #69B0D7 #9ACAE4

Accessibility & contrast

On white

3.25

#3997CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#3997CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3997CA

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3997CA	#FFFFFF	#000000	##000000
##3997CA	1.00	3.25	6.45	6.45
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F96CC

Deuteranopia (green-blind)

#6B88C9

Tritanopia (blue-blind)

#00A4A8

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3997ca;
/* rgb */ color: rgb(57, 151, 202);
/* oklch */ color: oklch(64.3% 0.115 236.5);

Tailwind

colors: {
  custom: {
    50: '#82b5da',
    500: '#3997ca',
    950: '#000000',
  },
}

SCSS

$custom: #3997ca;
$custom-light: #82b5da;
$custom-dark: #000000;

JSON

{
  "hex": "#3997ca",
  "rgb": {
    "r": 57,
    "g": 151,
    "b": 202
  },
  "hsl": {
    "h": 201.103,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.64347,
    "c": 0.11549,
    "h": 236.5
  },
  "luminance": 0.27267
}

Semantic roles & 50–950 ramp

primary

#3997CA

secondary

#D0A68F

accent

#7D47E1

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3997CA

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

Preview Lab → · Contrast checker → · Palette generator →