#397AA6#397AA6

#397AA6 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.7% C 0.095 H 241.0°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#397AA6
RGB	rgb(57, 122, 166)
HSL	hsl(204, 49%, 44%)
HSV	hsv(204, 66%, 65%)
CMYK	cmyk(65.7%, 26.5%, 0%, 34.9%)
CIE-LAB	lab(48.93, -6.56, -29.64)
CIE-LCH	lch(48.93, 30.35, 257.52°)
OKLab	oklab(55.66% -0.0462 -0.0834)
OKLCH	oklch(55.66% 0.095 241)
XYZ	xyz(15.5272, 17.5405, 38.6364)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AA6 #A66539

analogous

#39A69B #397AA6 #3943A6

triadic

#397AA6 #A6397A #7AA639

tetradic

#397AA6 #9B39A6 #A66539 #43A639

square

#397AA6 #9B39A6 #A66539 #43A639

split-complementary

#397AA6 #A63943 #A69B39

monochromatic

#1A374B #295978 #397AA6 #5799C5 #84B4D5

Accessibility & contrast

On white

4.66

#397AA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#397AA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397AA6

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AA6	#FFFFFF	#000000	##FFFFFF
##397AA6	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667AA8

Deuteranopia (green-blind)

#576FA5

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #397aa6;
/* rgb */ color: rgb(57, 122, 166);
/* oklch */ color: oklch(55.7% 0.095 241.0);

Tailwind

colors: {
  custom: {
    50: '#7ba0c0',
    500: '#397aa6',
    950: '#000000',
  },
}

SCSS

$custom: #397aa6;
$custom-light: #7ba0c0;
$custom-dark: #000000;

JSON

{
  "hex": "#397aa6",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 166
  },
  "hsl": {
    "h": 204.22,
    "s": 48.879,
    "l": 43.725
  },
  "oklch": {
    "l": 0.55661,
    "c": 0.09532,
    "h": 241
  },
  "luminance": 0.17542
}

Semantic roles & 50–950 ramp

primary

#397AA6

secondary

#BF977C

accent

#874FD8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #397AA6

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

Preview Lab → · Contrast checker → · Palette generator →