#397FB9#397FB9

#397FB9 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.8% C 0.114 H 246.5°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#397FB9
RGB	rgb(57, 127, 185)
HSL	hsl(207, 53%, 47%)
HSV	hsv(207, 69%, 73%)
CMYK	cmyk(69.2%, 31.4%, 0%, 27.5%)
CIE-LAB	lab(51.32, -2.90, -36.89)
CIE-LCH	lch(51.32, 37.00, 265.51°)
OKLab	oklab(57.84% -0.0453 -0.1044)
OKLCH	oklch(57.84% 0.114 246.5)
XYZ	xyz(18.0304, 19.5495, 48.7127)
Luminance	0.1955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FB9 #B97339

analogous

#39B9B3 #397FB9 #393FB9

triadic

#397FB9 #B9397F #7FB939

tetradic

#397FB9 #B339B9 #B97339 #3FB939

square

#397FB9 #B339B9 #B97339 #3FB939

split-complementary

#397FB9 #B9393F #B9B339

monochromatic

#1C3F5B #2B5F8A #397FB9 #619DCE #90BADD

Accessibility & contrast

On white

4.28

#397FB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#397FB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FB9

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FB9	#FFFFFF	#000000	##000000
##397FB9	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6581BC

Deuteranopia (green-blind)

#5375B8

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397fb9;
/* rgb */ color: rgb(57, 127, 185);
/* oklch */ color: oklch(57.8% 0.114 246.5);

Tailwind

colors: {
  custom: {
    50: '#7ea3ce',
    500: '#397fb9',
    950: '#000000',
  },
}

SCSS

$custom: #397fb9;
$custom-light: #7ea3ce;
$custom-dark: #000000;

JSON

{
  "hex": "#397fb9",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 185
  },
  "hsl": {
    "h": 207.188,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57841,
    "c": 0.1138,
    "h": 246.5
  },
  "luminance": 0.19551
}

Semantic roles & 50–950 ramp

primary

#397FB9

secondary

#C8A486

accent

#8D4BDC

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #397FB9

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

Preview Lab → · Contrast checker → · Palette generator →