#397C8E#397C8E

#397C8E is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.0% C 0.073 H 218.0°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#397C8E
RGB	rgb(57, 124, 142)
HSL	hsl(193, 43%, 39%)
HSV	hsv(193, 60%, 56%)
CMYK	cmyk(59.9%, 12.7%, 0%, 44.3%)
CIE-LAB	lab(48.56, -15.62, -16.16)
CIE-LCH	lch(48.56, 22.48, 225.97°)
OKLab	oklab(55.03% -0.0575 -0.0449)
OKLCH	oklch(55.03% 0.073 218)
XYZ	xyz(13.7755, 17.2368, 28.1870)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397C8E #8E4B39

analogous

#398E76 #397C8E #39528E

triadic

#397C8E #8E397C #7C8E39

tetradic

#397C8E #76398E #8E4B39 #528E39

square

#397C8E #76398E #8E4B39 #528E39

split-complementary

#397C8E #8E3952 #8E7639

monochromatic

#163037 #275662 #397C8E #4DA1B7 #78B8C9

Accessibility & contrast

On white

4.72

#397C8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#397C8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397C8E

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397C8E	#FFFFFF	#000000	##FFFFFF
##397C8E	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70798F

Deuteranopia (green-blind)

#646F8E

Tritanopia (blue-blind)

#008282

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #397c8e;
/* rgb */ color: rgb(57, 124, 142);
/* oklch */ color: oklch(55.0% 0.073 218.0);

Tailwind

colors: {
  custom: {
    50: '#78a2af',
    500: '#397c8e',
    950: '#000000',
  },
}

SCSS

$custom: #397c8e;
$custom-light: #78a2af;
$custom-dark: #000000;

JSON

{
  "hex": "#397c8e",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 142
  },
  "hsl": {
    "h": 192.706,
    "s": 42.714,
    "l": 39.02
  },
  "oklch": {
    "l": 0.55033,
    "c": 0.07291,
    "h": 218
  },
  "luminance": 0.17238
}

Semantic roles & 50–950 ramp

primary

#397C8E

secondary

#B27F71

accent

#7055D2

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #397C8E

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

Preview Lab → · Contrast checker → · Palette generator →