#397F8B#397F8B

#397F8B is a mid, moderate teal. Relative luminance 0.179; OKLCH L 55.7% C 0.072 H 210.3°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#397F8B
RGB	rgb(57, 127, 139)
HSL	hsl(189, 42%, 38%)
HSV	hsv(189, 59%, 55%)
CMYK	cmyk(59%, 8.6%, 0%, 45.5%)
CIE-LAB	lab(49.39, -18.20, -13.13)
CIE-LCH	lch(49.39, 22.44, 215.82°)
OKLab	oklab(55.66% -0.0622 -0.0364)
OKLCH	oklch(55.66% 0.072 210.3)
XYZ	xyz(13.9350, 17.9113, 27.1439)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397F8B #8B4539

analogous

#398B6E #397F8B #39568B

triadic

#397F8B #8B397F #7F8B39

tetradic

#397F8B #6E398B #8B4539 #568B39

square

#397F8B #6E398B #8B4539 #568B39

split-complementary

#397F8B #8B3956 #8B6E39

monochromatic

#153034 #275760 #397F8B #4CA6B5 #77BCC7

Accessibility & contrast

On white

4.58

#397F8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#397F8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397F8B

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397F8B	#FFFFFF	#000000	##000000
##397F8B	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757B8C

Deuteranopia (green-blind)

#68718B

Tritanopia (blue-blind)

#008483

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397f8b;
/* rgb */ color: rgb(57, 127, 139);
/* oklch */ color: oklch(55.7% 0.072 210.3);

Tailwind

colors: {
  custom: {
    50: '#78a4ac',
    500: '#397f8b',
    950: '#000000',
  },
}

SCSS

$custom: #397f8b;
$custom-light: #78a4ac;
$custom-dark: #000000;

JSON

{
  "hex": "#397f8b",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 139
  },
  "hsl": {
    "h": 188.78,
    "s": 41.837,
    "l": 38.431
  },
  "oklch": {
    "l": 0.55663,
    "c": 0.07208,
    "h": 210.3
  },
  "luminance": 0.17913
}

Semantic roles & 50–950 ramp

primary

#397F8B

secondary

#B0796F

accent

#6856D2

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #397F8B

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

Preview Lab → · Contrast checker → · Palette generator →