#397FA0#397FA0

#397FA0 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.6% C 0.086 H 231.5°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#397FA0
RGB	rgb(57, 127, 160)
HSL	hsl(199, 47%, 43%)
HSV	hsv(199, 64%, 63%)
CMYK	cmyk(64.4%, 20.6%, 0%, 37.3%)
CIE-LAB	lab(50.20, -11.47, -24.18)
CIE-LCH	lch(50.20, 26.76, 244.63°)
OKLab	oklab(56.58% -0.0538 -0.0677)
OKLCH	oklch(56.58% 0.086 231.5)
XYZ	xyz(15.6194, 18.5851, 36.0150)
Luminance	0.1859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FA0 #A05A39

analogous

#39A08D #397FA0 #394CA0

triadic

#397FA0 #A0397F #7FA039

tetradic

#397FA0 #8D39A0 #A05A39 #4CA039

square

#397FA0 #8D39A0 #A05A39 #4CA039

split-complementary

#397FA0 #A0394C #A08D39

monochromatic

#193746 #295B73 #397FA0 #549FC2 #81B8D2

Accessibility & contrast

On white

4.45

#397FA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#397FA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FA0

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FA0	#FFFFFF	#000000	##000000
##397FA0	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7DA2

Deuteranopia (green-blind)

#6073A0

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397fa0;
/* rgb */ color: rgb(57, 127, 160);
/* oklch */ color: oklch(56.6% 0.086 231.5);

Tailwind

colors: {
  custom: {
    50: '#7aa4bc',
    500: '#397fa0',
    950: '#000000',
  },
}

SCSS

$custom: #397fa0;
$custom-light: #7aa4bc;
$custom-dark: #000000;

JSON

{
  "hex": "#397fa0",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 160
  },
  "hsl": {
    "h": 199.223,
    "s": 47.465,
    "l": 42.549
  },
  "oklch": {
    "l": 0.56579,
    "c": 0.08642,
    "h": 231.5
  },
  "luminance": 0.18587
}

Semantic roles & 50–950 ramp

primary

#397FA0

secondary

#BC8E79

accent

#7C51D7

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #397FA0

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

Preview Lab → · Contrast checker → · Palette generator →