#397F8E#397F8E

#397F8E is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 55.8% C 0.073 H 213.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#397F8E
RGB	rgb(57, 127, 142)
HSL	hsl(191, 43%, 39%)
HSV	hsv(191, 60%, 56%)
CMYK	cmyk(59.9%, 10.6%, 0%, 44.3%)
CIE-LAB	lab(49.50, -17.27, -14.73)
CIE-LCH	lch(49.50, 22.70, 220.47°)
OKLab	oklab(55.79% -0.0609 -0.0408)
OKLCH	oklch(55.79% 0.073 213.8)
XYZ	xyz(14.1572, 18.0002, 28.3142)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397F8E #8E4839

analogous

#398E73 #397F8E #39558E

triadic

#397F8E #8E397F #7F8E39

tetradic

#397F8E #73398E #8E4839 #558E39

square

#397F8E #73398E #8E4839 #558E39

split-complementary

#397F8E #8E3955 #8E7339

monochromatic

#163137 #275862 #397F8E #4DA5B7 #78BBC9

Accessibility & contrast

On white

4.56

#397F8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#397F8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397F8E

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397F8E	#FFFFFF	#000000	##000000
##397F8E	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747B8F

Deuteranopia (green-blind)

#67728E

Tritanopia (blue-blind)

#008584

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397f8e;
/* rgb */ color: rgb(57, 127, 142);
/* oklch */ color: oklch(55.8% 0.073 213.8);

Tailwind

colors: {
  custom: {
    50: '#78a4af',
    500: '#397f8e',
    950: '#000000',
  },
}

SCSS

$custom: #397f8e;
$custom-light: #78a4af;
$custom-dark: #000000;

JSON

{
  "hex": "#397f8e",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 142
  },
  "hsl": {
    "h": 190.588,
    "s": 42.714,
    "l": 39.02
  },
  "oklch": {
    "l": 0.55786,
    "c": 0.07337,
    "h": 213.8
  },
  "luminance": 0.18002
}

Semantic roles & 50–950 ramp

primary

#397F8E

secondary

#B27C71

accent

#6B55D2

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #397F8E

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

Preview Lab → · Contrast checker → · Palette generator →