#397FBE#397FBE

#397FBE is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.1% C 0.120 H 248.5°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#397FBE
RGB	rgb(57, 127, 190)
HSL	hsl(208, 54%, 48%)
HSV	hsv(208, 70%, 75%)
CMYK	cmyk(70%, 33.2%, 0%, 25.5%)
CIE-LAB	lab(51.57, -1.13, -39.37)
CIE-LCH	lch(51.57, 39.39, 268.36°)
OKLab	oklab(58.12% -0.0439 -0.1116)
OKLCH	oklch(58.12% 0.12 248.5)
XYZ	xyz(18.5675, 19.7643, 51.5416)
Luminance	0.1977 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FBE #BE7839

analogous

#39BEBA #397FBE #393CBE

triadic

#397FBE #BE397F #7FBE39

tetradic

#397FBE #BA39BE #BE7839 #3CBE39

square

#397FBE #BA39BE #BE7839 #3CBE39

split-complementary

#397FBE #BE393C #BEBA39

monochromatic

#1D4060 #2B608F #397FBE #649DD0 #93BBDF

Accessibility & contrast

On white

4.24

#397FBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#397FBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FBE

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FBE	#FFFFFF	#000000	##000000
##397FBE	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6382C1

Deuteranopia (green-blind)

#5075BD

Tritanopia (blue-blind)

#008E96

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #397fbe;
/* rgb */ color: rgb(57, 127, 190);
/* oklch */ color: oklch(58.1% 0.120 248.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#397fbe",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 190
  },
  "hsl": {
    "h": 208.421,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.58115,
    "c": 0.11993,
    "h": 248.5
  },
  "luminance": 0.19766
}

Semantic roles & 50–950 ramp

primary

#397FBE

secondary

#CAA889

accent

#904BDD

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #397FBE

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

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