#397EA3#397EA3

#397EA3 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.090 H 234.9°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#397EA3
RGB	rgb(57, 126, 163)
HSL	hsl(201, 48%, 43%)
HSV	hsv(201, 65%, 64%)
CMYK	cmyk(65%, 22.7%, 0%, 36.1%)
CIE-LAB	lab(50.02, -9.89, -26.20)
CIE-LCH	lch(50.02, 28.01, 249.32°)
OKLab	oklab(56.48% -0.0516 -0.0735)
OKLCH	oklch(56.48% 0.09 234.9)
XYZ	xyz(15.7565, 18.4343, 37.3710)
Luminance	0.1844 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EA3 #A35E39

analogous

#39A393 #397EA3 #3949A3

triadic

#397EA3 #A3397E #7EA339

tetradic

#397EA3 #9339A3 #A35E39 #49A339

square

#397EA3 #9339A3 #A35E39 #49A339

split-complementary

#397EA3 #A33949 #A39339

monochromatic

#193848 #295B76 #397EA3 #559DC4 #83B7D4

Accessibility & contrast

On white

4.48

#397EA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#397EA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EA3

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EA3	#FFFFFF	#000000	##000000
##397EA3	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA5

Deuteranopia (green-blind)

#5E72A2

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397ea3;
/* rgb */ color: rgb(57, 126, 163);
/* oklch */ color: oklch(56.5% 0.090 234.9);

Tailwind

colors: {
  custom: {
    50: '#7ba3be',
    500: '#397ea3',
    950: '#000000',
  },
}

SCSS

$custom: #397ea3;
$custom-light: #7ba3be;
$custom-dark: #000000;

JSON

{
  "hex": "#397ea3",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 163
  },
  "hsl": {
    "h": 200.943,
    "s": 48.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.56478,
    "c": 0.08976,
    "h": 234.9
  },
  "luminance": 0.18436
}

Semantic roles & 50–950 ramp

primary

#397EA3

secondary

#BD927A

accent

#7F50D8

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #397EA3

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

Preview Lab → · Contrast checker → · Palette generator →