#397FBD#397FBD

#397FBD is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.1% C 0.119 H 248.2°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#397FBD
RGB	rgb(57, 127, 189)
HSL	hsl(208, 54%, 48%)
HSV	hsv(208, 70%, 74%)
CMYK	cmyk(69.8%, 32.8%, 0%, 25.9%)
CIE-LAB	lab(51.52, -1.48, -38.88)
CIE-LCH	lch(51.52, 38.90, 267.81°)
OKLab	oklab(58.06% -0.0442 -0.1102)
OKLCH	oklch(58.06% 0.119 248.2)
XYZ	xyz(18.4586, 19.7207, 50.9679)
Luminance	0.1972 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FBD #BD7739

analogous

#39BDB9 #397FBD #393DBD

triadic

#397FBD #BD397F #7FBD39

tetradic

#397FBD #B939BD #BD7739 #3DBD39

square

#397FBD #B939BD #BD7739 #3DBD39

split-complementary

#397FBD #BD393D #BDB939

monochromatic

#1D405F #2B5F8E #397FBD #639DD0 #92BBDE

Accessibility & contrast

On white

4.25

#397FBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#397FBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FBD

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FBD	#FFFFFF	#000000	##000000
##397FBD	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6382C0

Deuteranopia (green-blind)

#5175BC

Tritanopia (blue-blind)

#008E95

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #397fbd;
/* rgb */ color: rgb(57, 127, 189);
/* oklch */ color: oklch(58.1% 0.119 248.2);

Tailwind

colors: {
  custom: {
    50: '#7fa3d1',
    500: '#397fbd',
    950: '#000000',
  },
}

SCSS

$custom: #397fbd;
$custom-light: #7fa3d1;
$custom-dark: #000000;

JSON

{
  "hex": "#397fbd",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 189
  },
  "hsl": {
    "h": 208.182,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5806,
    "c": 0.11869,
    "h": 248.2
  },
  "luminance": 0.19723
}

Semantic roles & 50–950 ramp

primary

#397FBD

secondary

#C9A789

accent

#8F4BDD

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #397FBD

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

Preview Lab → · Contrast checker → · Palette generator →