#397D9F#397D9F

#397D9F is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.0% C 0.086 H 233.0°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#397D9F
RGB	rgb(57, 125, 159)
HSL	hsl(200, 47%, 42%)
HSV	hsv(200, 64%, 62%)
CMYK	cmyk(64.2%, 21.4%, 0%, 37.6%)
CIE-LAB	lab(49.54, -10.66, -24.61)
CIE-LCH	lch(49.54, 26.82, 246.58°)
OKLab	oklab(56.04% -0.0519 -0.0689)
OKLCH	oklch(56.04% 0.086 233)
XYZ	xyz(15.2765, 18.0387, 35.4709)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397D9F #9F5B39

analogous

#399F8E #397D9F #394A9F

triadic

#397D9F #9F397D #7D9F39

tetradic

#397D9F #8E399F #9F5B39 #4A9F39

square

#397D9F #8E399F #9F5B39 #4A9F39

split-complementary

#397D9F #9F394A #9F8E39

monochromatic

#193645 #295A72 #397D9F #549DC2 #81B7D2

Accessibility & contrast

On white

4.56

#397D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#397D9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397D9F

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397D9F	#FFFFFF	#000000	##000000
##397D9F	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7CA1

Deuteranopia (green-blind)

#5E719E

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397d9f;
/* rgb */ color: rgb(57, 125, 159);
/* oklch */ color: oklch(56.0% 0.086 233.0);

Tailwind

colors: {
  custom: {
    50: '#7aa2bb',
    500: '#397d9f',
    950: '#000000',
  },
}

SCSS

$custom: #397d9f;
$custom-light: #7aa2bb;
$custom-dark: #000000;

JSON

{
  "hex": "#397d9f",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 159
  },
  "hsl": {
    "h": 200,
    "s": 47.222,
    "l": 42.353
  },
  "oklch": {
    "l": 0.56044,
    "c": 0.08628,
    "h": 233
  },
  "luminance": 0.1804
}

Semantic roles & 50–950 ramp

primary

#397D9F

secondary

#BB8F78

accent

#7E51D7

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397D9F

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

Preview Lab → · Contrast checker → · Palette generator →