#397EBA#397EBA

#397EBA is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.7% C 0.116 H 247.7°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#397EBA
RGB	rgb(57, 126, 186)
HSL	hsl(208, 53%, 48%)
HSV	hsv(208, 69%, 73%)
CMYK	cmyk(69.4%, 32.3%, 0%, 27.1%)
CIE-LAB	lab(51.08, -1.95, -37.85)
CIE-LCH	lch(51.08, 37.90, 267.05°)
OKLab	oklab(57.66% -0.044 -0.1072)
OKLCH	oklch(57.66% 0.116 247.7)
XYZ	xyz(18.0078, 19.3348, 49.2278)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EBA #BA7539

analogous

#39BAB5 #397EBA #393EBA

triadic

#397EBA #BA397E #7EBA39

tetradic

#397EBA #B539BA #BA7539 #3EBA39

square

#397EBA #B539BA #BA7539 #3EBA39

split-complementary

#397EBA #BA393E #BAB539

monochromatic

#1C3F5C #2B5E8B #397EBA #619CCF #90B9DD

Accessibility & contrast

On white

4.31

#397EBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#397EBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EBA

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EBA	#FFFFFF	#000000	##000000
##397EBA	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6380BD

Deuteranopia (green-blind)

#5174B9

Tritanopia (blue-blind)

#008C93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397eba;
/* rgb */ color: rgb(57, 126, 186);
/* oklch */ color: oklch(57.7% 0.116 247.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#397eba",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 186
  },
  "hsl": {
    "h": 207.907,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57663,
    "c": 0.11589,
    "h": 247.7
  },
  "luminance": 0.19337
}

Semantic roles & 50–950 ramp

primary

#397EBA

secondary

#C8A587

accent

#8F4BDC

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #397EBA

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

Preview Lab → · Contrast checker → · Palette generator →