#397DA0#397DA0

#397DA0 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.1% C 0.087 H 233.8°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#397DA0
RGB	rgb(57, 125, 160)
HSL	hsl(200, 47%, 43%)
HSV	hsv(200, 64%, 63%)
CMYK	cmyk(64.4%, 21.9%, 0%, 37.3%)
CIE-LAB	lab(49.59, -10.33, -25.13)
CIE-LCH	lch(49.59, 27.17, 247.66°)
OKLab	oklab(56.09% -0.0516 -0.0704)
OKLCH	oklch(56.09% 0.087 233.8)
XYZ	xyz(15.3637, 18.0736, 35.9298)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DA0 #A05C39

analogous

#39A08F #397DA0 #394AA0

triadic

#397DA0 #A0397D #7DA039

tetradic

#397DA0 #8F39A0 #A05C39 #4AA039

square

#397DA0 #8F39A0 #A05C39 #4AA039

split-complementary

#397DA0 #A0394A #A08F39

monochromatic

#193646 #295A73 #397DA0 #549DC2 #81B7D2

Accessibility & contrast

On white

4.55

#397DA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#397DA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DA0

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DA0	#FFFFFF	#000000	##000000
##397DA0	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7CA2

Deuteranopia (green-blind)

#5E719F

Tritanopia (blue-blind)

#008689

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397da0;
/* rgb */ color: rgb(57, 125, 160);
/* oklch */ color: oklch(56.1% 0.087 233.8);

Tailwind

colors: {
  custom: {
    50: '#7aa2bc',
    500: '#397da0',
    950: '#000000',
  },
}

SCSS

$custom: #397da0;
$custom-light: #7aa2bc;
$custom-dark: #000000;

JSON

{
  "hex": "#397da0",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 160
  },
  "hsl": {
    "h": 200.388,
    "s": 47.465,
    "l": 42.549
  },
  "oklch": {
    "l": 0.56091,
    "c": 0.08725,
    "h": 233.8
  },
  "luminance": 0.18075
}

Semantic roles & 50–950 ramp

primary

#397DA0

secondary

#BC9079

accent

#7E51D7

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397DA0

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

Preview Lab → · Contrast checker → · Palette generator →