#397FBA#397FBA

#397FBA is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.9% C 0.115 H 246.9°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#397FBA
RGB	rgb(57, 127, 186)
HSL	hsl(207, 53%, 48%)
HSV	hsv(207, 69%, 73%)
CMYK	cmyk(69.4%, 31.7%, 0%, 27.1%)
CIE-LAB	lab(51.37, -2.54, -37.39)
CIE-LCH	lch(51.37, 37.47, 266.11°)
OKLab	oklab(57.9% -0.045 -0.1058)
OKLCH	oklch(57.9% 0.115 246.9)
XYZ	xyz(18.1363, 19.5918, 49.2706)
Luminance	0.1959 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FBA #BA7439

analogous

#39BAB4 #397FBA #393FBA

triadic

#397FBA #BA397F #7FBA39

tetradic

#397FBA #B439BA #BA7439 #3FBA39

square

#397FBA #B439BA #BA7439 #3FBA39

split-complementary

#397FBA #BA393F #BAB439

monochromatic

#1C3F5C #2B5F8B #397FBA #619DCF #90BADD

Accessibility & contrast

On white

4.27

#397FBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#397FBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FBA

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FBA	#FFFFFF	#000000	##000000
##397FBA	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6581BD

Deuteranopia (green-blind)

#5375B9

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397fba;
/* rgb */ color: rgb(57, 127, 186);
/* oklch */ color: oklch(57.9% 0.115 246.9);

Tailwind

colors: {
  custom: {
    50: '#7ea3cf',
    500: '#397fba',
    950: '#000000',
  },
}

SCSS

$custom: #397fba;
$custom-light: #7ea3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#397fba",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 186
  },
  "hsl": {
    "h": 207.442,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57896,
    "c": 0.11502,
    "h": 246.9
  },
  "luminance": 0.19594
}

Semantic roles & 50–950 ramp

primary

#397FBA

secondary

#C8A587

accent

#8E4BDC

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #397FBA

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

Preview Lab → · Contrast checker → · Palette generator →