#397EBF#397EBF

#397EBF is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 57.9% C 0.122 H 249.6°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#397EBF
RGB	rgb(57, 126, 191)
HSL	hsl(209, 54%, 49%)
HSV	hsv(209, 70%, 75%)
CMYK	cmyk(70.2%, 34%, 0%, 25.1%)
CIE-LAB	lab(51.33, -0.18, -40.33)
CIE-LCH	lch(51.33, 40.33, 269.75°)
OKLab	oklab(57.94% -0.0426 -0.1144)
OKLCH	oklch(57.94% 0.122 249.6)
XYZ	xyz(18.5486, 19.5512, 52.0763)
Luminance	0.1955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EBF #BF7A39

analogous

#39BFBD #397EBF #393BBF

triadic

#397EBF #BF397E #7EBF39

tetradic

#397EBF #BD39BF #BF7A39 #3BBF39

square

#397EBF #BD39BF #BF7A39 #3BBF39

split-complementary

#397EBF #BF393B #BFBD39

monochromatic

#1D4061 #2B5F90 #397EBF #649CD1 #93BADF

Accessibility & contrast

On white

4.28

#397EBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#397EBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EBF

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EBF	#FFFFFF	#000000	##000000
##397EBF	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)

#6181C2

Deuteranopia (green-blind)

#4E75BE

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397ebf;
/* rgb */ color: rgb(57, 126, 191);
/* oklch */ color: oklch(57.9% 0.122 249.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#397ebf",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 191
  },
  "hsl": {
    "h": 209.104,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5794,
    "c": 0.1221,
    "h": 249.6
  },
  "luminance": 0.19553
}

Semantic roles & 50–950 ramp

primary

#397EBF

secondary

#CAA98A

accent

#924ADD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #397EBF

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

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