#397AA9#397AA9

#397AA9 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.8% C 0.099 H 242.8°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#397AA9
RGB	rgb(57, 122, 169)
HSL	hsl(205, 50%, 44%)
HSV	hsv(205, 66%, 66%)
CMYK	cmyk(66.3%, 27.8%, 0%, 33.7%)
CIE-LAB	lab(49.07, -5.52, -31.17)
CIE-LCH	lch(49.07, 31.66, 259.95°)
OKLab	oklab(55.82% -0.0452 -0.0878)
OKLCH	oklch(55.82% 0.099 242.8)
XYZ	xyz(15.8056, 17.6519, 40.1026)
Luminance	0.1765 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AA9 #A96839

analogous

#39A9A0 #397AA9 #3942A9

triadic

#397AA9 #A9397A #7AA939

tetradic

#397AA9 #A039A9 #A96839 #42A939

square

#397AA9 #A039A9 #A96839 #42A939

split-complementary

#397AA9 #A93942 #A9A039

monochromatic

#1A384D #2A597B #397AA9 #5898C7 #86B5D6

Accessibility & contrast

On white

4.64

#397AA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#397AA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397AA9

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AA9	#FFFFFF	#000000	##FFFFFF
##397AA9	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657BAB

Deuteranopia (green-blind)

#5670A8

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397aa9;
/* rgb */ color: rgb(57, 122, 169);
/* oklch */ color: oklch(55.8% 0.099 242.8);

Tailwind

colors: {
  custom: {
    50: '#7ba0c2',
    500: '#397aa9',
    950: '#000000',
  },
}

SCSS

$custom: #397aa9;
$custom-light: #7ba0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#397aa9",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 169
  },
  "hsl": {
    "h": 205.179,
    "s": 49.558,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55815,
    "c": 0.09876,
    "h": 242.8
  },
  "luminance": 0.17653
}

Semantic roles & 50–950 ramp

primary

#397AA9

secondary

#C09A7E

accent

#894FD9

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #397AA9

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

Preview Lab → · Contrast checker → · Palette generator →