#397F9D#397F9D

#397F9D is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.4% C 0.084 H 229.0°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#397F9D
RGB	rgb(57, 127, 157)
HSL	hsl(198, 47%, 42%)
HSV	hsv(198, 64%, 62%)
CMYK	cmyk(63.7%, 19.1%, 0%, 38.4%)
CIE-LAB	lab(50.07, -12.46, -22.62)
CIE-LCH	lch(50.07, 25.83, 241.16°)
OKLab	oklab(56.44% -0.0549 -0.0632)
OKLCH	oklch(56.44% 0.084 229)
XYZ	xyz(15.3601, 18.4814, 34.6495)
Luminance	0.1848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397F9D #9D5739

analogous

#399D89 #397F9D #394D9D

triadic

#397F9D #9D397F #7F9D39

tetradic

#397F9D #89399D #9D5739 #4D9D39

square

#397F9D #89399D #9D5739 #4D9D39

split-complementary

#397F9D #9D394D #9D8939

monochromatic

#183643 #295B70 #397F9D #53A0C0 #80B8D1

Accessibility & contrast

On white

4.47

#397F9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#397F9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397F9D

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397F9D	#FFFFFF	#000000	##000000
##397F9D	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707D9F

Deuteranopia (green-blind)

#61739D

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397f9d;
/* rgb */ color: rgb(57, 127, 157);
/* oklch */ color: oklch(56.4% 0.084 229.0);

Tailwind

colors: {
  custom: {
    50: '#7aa4ba',
    500: '#397f9d',
    950: '#000000',
  },
}

SCSS

$custom: #397f9d;
$custom-light: #7aa4ba;
$custom-dark: #000000;

JSON

{
  "hex": "#397f9d",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 157
  },
  "hsl": {
    "h": 198,
    "s": 46.729,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5644,
    "c": 0.08372,
    "h": 229
  },
  "luminance": 0.18483
}

Semantic roles & 50–950 ramp

primary

#397F9D

secondary

#BA8C78

accent

#7951D6

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #397F9D

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

Preview Lab → · Contrast checker → · Palette generator →