#397EB8#397EB8

#397EB8 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.6% C 0.113 H 246.8°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#397EB8
RGB	rgb(57, 126, 184)
HSL	hsl(207, 53%, 47%)
HSV	hsv(207, 69%, 72%)
CMYK	cmyk(69%, 31.5%, 0%, 27.8%)
CIE-LAB	lab(50.98, -2.66, -36.86)
CIE-LCH	lch(50.98, 36.95, 265.88°)
OKLab	oklab(57.55% -0.0446 -0.1043)
OKLCH	oklch(57.55% 0.113 246.8)
XYZ	xyz(17.7967, 19.2504, 48.1159)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EB8 #B87339

analogous

#39B8B3 #397EB8 #393EB8

triadic

#397EB8 #B8397E #7EB839

tetradic

#397EB8 #B339B8 #B87339 #3EB839

square

#397EB8 #B339B8 #B87339 #3EB839

split-complementary

#397EB8 #B8393E #B8B339

monochromatic

#1C3E5B #2B5E89 #397EB8 #609CCE #8FB9DC

Accessibility & contrast

On white

4.33

#397EB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#397EB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EB8

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EB8	#FFFFFF	#000000	##000000
##397EB8	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6480BB

Deuteranopia (green-blind)

#5274B7

Tritanopia (blue-blind)

#008C93

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397eb8;
/* rgb */ color: rgb(57, 126, 184);
/* oklch */ color: oklch(57.6% 0.113 246.8);

Tailwind

colors: {
  custom: {
    50: '#7ea3cd',
    500: '#397eb8',
    950: '#000000',
  },
}

SCSS

$custom: #397eb8;
$custom-light: #7ea3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#397eb8",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 184
  },
  "hsl": {
    "h": 207.402,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.57554,
    "c": 0.11345,
    "h": 246.8
  },
  "luminance": 0.19252
}

Semantic roles & 50–950 ramp

primary

#397EB8

secondary

#C7A486

accent

#8E4CDC

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #397EB8

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

Preview Lab → · Contrast checker → · Palette generator →