#397DA1#397DA1

#397DA1 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.1% C 0.088 H 234.5°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#397DA1
RGB	rgb(57, 125, 161)
HSL	hsl(201, 48%, 43%)
HSV	hsv(201, 65%, 63%)
CMYK	cmyk(64.6%, 22.4%, 0%, 36.9%)
CIE-LAB	lab(49.63, -9.99, -25.65)
CIE-LCH	lch(49.63, 27.52, 248.71°)
OKLab	oklab(56.14% -0.0512 -0.0719)
OKLCH	oklch(56.14% 0.088 234.5)
XYZ	xyz(15.4515, 18.1087, 36.3923)
Luminance	0.1811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DA1 #A15D39

analogous

#39A191 #397DA1 #3949A1

triadic

#397DA1 #A1397D #7DA139

tetradic

#397DA1 #9139A1 #A15D39 #49A139

square

#397DA1 #9139A1 #A15D39 #49A139

split-complementary

#397DA1 #A13949 #A19139

monochromatic

#193747 #295A74 #397DA1 #559DC3 #82B7D3

Accessibility & contrast

On white

4.54

#397DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#397DA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DA1

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DA1	#FFFFFF	#000000	##000000
##397DA1	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7CA3

Deuteranopia (green-blind)

#5D71A0

Tritanopia (blue-blind)

#008689

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397da1;
/* rgb */ color: rgb(57, 125, 161);
/* oklch */ color: oklch(56.1% 0.088 234.5);

Tailwind

colors: {
  custom: {
    50: '#7aa2bd',
    500: '#397da1',
    950: '#000000',
  },
}

SCSS

$custom: #397da1;
$custom-light: #7aa2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#397da1",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 161
  },
  "hsl": {
    "h": 200.769,
    "s": 47.706,
    "l": 42.745
  },
  "oklch": {
    "l": 0.56139,
    "c": 0.08824,
    "h": 234.5
  },
  "luminance": 0.1811
}

Semantic roles & 50–950 ramp

primary

#397DA1

secondary

#BC9179

accent

#7F50D7

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397DA1

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

Preview Lab → · Contrast checker → · Palette generator →