#397AAE#397AAE

#397AAE is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.1% C 0.105 H 245.4°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#397AAE
RGB	rgb(57, 122, 174)
HSL	hsl(207, 51%, 45%)
HSV	hsv(207, 67%, 68%)
CMYK	cmyk(67.2%, 29.9%, 0%, 31.8%)
CIE-LAB	lab(49.31, -3.79, -33.71)
CIE-LCH	lch(49.31, 33.92, 263.59°)
OKLab	oklab(56.08% -0.0436 -0.0952)
OKLCH	oklch(56.08% 0.105 245.4)
XYZ	xyz(16.2840, 17.8432, 42.6221)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AAE #AE6D39

analogous

#39AEA7 #397AAE #393FAE

triadic

#397AAE #AE397A #7AAE39

tetradic

#397AAE #A739AE #AE6D39 #3FAE39

square

#397AAE #A739AE #AE6D39 #3FAE39

split-complementary

#397AAE #AE393F #AEA739

monochromatic

#1B3952 #2A5A80 #397AAE #5B98C9 #89B5D8

Accessibility & contrast

On white

4.60

#397AAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#397AAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397AAE

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AAE	#FFFFFF	#000000	##FFFFFF
##397AAE	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637BB0

Deuteranopia (green-blind)

#5370AD

Tritanopia (blue-blind)

#00878C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397aae;
/* rgb */ color: rgb(57, 122, 174);
/* oklch */ color: oklch(56.1% 0.105 245.4);

Tailwind

colors: {
  custom: {
    50: '#7ca0c6',
    500: '#397aae',
    950: '#000000',
  },
}

SCSS

$custom: #397aae;
$custom-light: #7ca0c6;
$custom-dark: #000000;

JSON

{
  "hex": "#397aae",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 174
  },
  "hsl": {
    "h": 206.667,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.56077,
    "c": 0.10469,
    "h": 245.4
  },
  "luminance": 0.17845
}

Semantic roles & 50–950 ramp

primary

#397AAE

secondary

#C39E80

accent

#8C4EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #397AAE

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

Preview Lab → · Contrast checker → · Palette generator →