#397FBF#397FBF

#397FBF is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.2% C 0.121 H 248.9°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#397FBF
RGB	rgb(57, 127, 191)
HSL	hsl(209, 54%, 49%)
HSV	hsv(209, 70%, 75%)
CMYK	cmyk(70.2%, 33.5%, 0%, 25.1%)
CIE-LAB	lab(51.62, -0.78, -39.86)
CIE-LCH	lch(51.62, 39.87, 268.89°)
OKLab	oklab(58.17% -0.0436 -0.1131)
OKLCH	oklch(58.17% 0.121 248.9)
XYZ	xyz(18.6772, 19.8082, 52.1191)
Luminance	0.1981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FBF #BF7939

analogous

#39BFBC #397FBF #393CBF

triadic

#397FBF #BF397F #7FBF39

tetradic

#397FBF #BC39BF #BF7939 #3CBF39

square

#397FBF #BC39BF #BF7939 #3CBF39

split-complementary

#397FBF #BF393C #BFBC39

monochromatic

#1D4061 #2B6090 #397FBF #649DD1 #93BBDF

Accessibility & contrast

On white

4.23

#397FBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#397FBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FBF

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FBF	#FFFFFF	#000000	##000000
##397FBF	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6282C2

Deuteranopia (green-blind)

#4F75BE

Tritanopia (blue-blind)

#008E96

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #397fbf;
/* rgb */ color: rgb(57, 127, 191);
/* oklch */ color: oklch(58.2% 0.121 248.9);

Tailwind

colors: {
  custom: {
    50: '#7fa3d2',
    500: '#397fbf',
    950: '#000000',
  },
}

SCSS

$custom: #397fbf;
$custom-light: #7fa3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#397fbf",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 191
  },
  "hsl": {
    "h": 208.657,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.58171,
    "c": 0.12117,
    "h": 248.9
  },
  "luminance": 0.1981
}

Semantic roles & 50–950 ramp

primary

#397FBF

secondary

#CAA88A

accent

#914ADD

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #397FBF

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

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