#397AA5#397AA5

#397AA5 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.6% C 0.094 H 240.4°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#397AA5
RGB	rgb(57, 122, 165)
HSL	hsl(204, 49%, 44%)
HSV	hsv(204, 65%, 65%)
CMYK	cmyk(65.5%, 26.1%, 0%, 35.3%)
CIE-LAB	lab(48.89, -6.90, -29.13)
CIE-LCH	lch(48.89, 29.93, 256.67°)
OKLab	oklab(55.61% -0.0465 -0.0819)
OKLCH	oklch(55.61% 0.094 240.4)
XYZ	xyz(15.4358, 17.5040, 38.1551)
Luminance	0.1751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AA5 #A56439

analogous

#39A59A #397AA5 #3944A5

triadic

#397AA5 #A5397A #7AA539

tetradic

#397AA5 #9A39A5 #A56439 #44A539

square

#397AA5 #9A39A5 #A56439 #44A539

split-complementary

#397AA5 #A53944 #A59A39

monochromatic

#1A374A #295878 #397AA5 #5699C5 #84B4D4

Accessibility & contrast

On white

4.67

#397AA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#397AA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397AA5

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AA5	#FFFFFF	#000000	##FFFFFF
##397AA5	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667AA7

Deuteranopia (green-blind)

#586FA4

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #397aa5;
/* rgb */ color: rgb(57, 122, 165);
/* oklch */ color: oklch(55.6% 0.094 240.4);

Tailwind

colors: {
  custom: {
    50: '#7ba0c0',
    500: '#397aa5',
    950: '#000000',
  },
}

SCSS

$custom: #397aa5;
$custom-light: #7ba0c0;
$custom-dark: #000000;

JSON

{
  "hex": "#397aa5",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 165
  },
  "hsl": {
    "h": 203.889,
    "s": 48.649,
    "l": 43.529
  },
  "oklch": {
    "l": 0.5561,
    "c": 0.09419,
    "h": 240.4
  },
  "luminance": 0.17506
}

Semantic roles & 50–950 ramp

primary

#397AA5

secondary

#BE967B

accent

#8650D8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #397AA5

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

Preview Lab → · Contrast checker → · Palette generator →