#397B89#397B89

#397B89 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.6% C 0.070 H 213.5°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#397B89
RGB	rgb(57, 123, 137)
HSL	hsl(191, 41%, 38%)
HSV	hsv(191, 58%, 54%)
CMYK	cmyk(58.4%, 10.2%, 0%, 46.3%)
CIE-LAB	lab(48.06, -16.64, -13.97)
CIE-LCH	lch(48.06, 21.73, 220.02°)
OKLab	oklab(54.57% -0.0584 -0.0387)
OKLCH	oklch(54.57% 0.07 213.5)
XYZ	xyz(13.2839, 16.8406, 26.2126)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397B89 #894739

analogous

#39896F #397B89 #395389

triadic

#397B89 #89397B #7B8939

tetradic

#397B89 #6F3989 #894739 #538939

square

#397B89 #6F3989 #894739 #538939

split-complementary

#397B89 #893953 #896F39

monochromatic

#152D33 #27545E #397B89 #4BA2B4 #76B8C6

Accessibility & contrast

On white

4.81

#397B89 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#397B89 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397B89

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397B89	#FFFFFF	#000000	##FFFFFF
##397B89	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70778A

Deuteranopia (green-blind)

#646E89

Tritanopia (blue-blind)

#00817F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #397b89;
/* rgb */ color: rgb(57, 123, 137);
/* oklch */ color: oklch(54.6% 0.070 213.5);

Tailwind

colors: {
  custom: {
    50: '#77a1ab',
    500: '#397b89',
    950: '#000000',
  },
}

SCSS

$custom: #397b89;
$custom-light: #77a1ab;
$custom-dark: #000000;

JSON

{
  "hex": "#397b89",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 137
  },
  "hsl": {
    "h": 190.5,
    "s": 41.237,
    "l": 38.039
  },
  "oklch": {
    "l": 0.54572,
    "c": 0.07008,
    "h": 213.5
  },
  "luminance": 0.16842
}

Semantic roles & 50–950 ramp

primary

#397B89

secondary

#AF7A6F

accent

#6C57D1

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #397B89

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

Preview Lab → · Contrast checker → · Palette generator →