#397DBA#397DBA

#397DBA is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.4% C 0.117 H 248.4°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#397DBA
RGB	rgb(57, 125, 186)
HSL	hsl(208, 53%, 48%)
HSV	hsv(208, 69%, 73%)
CMYK	cmyk(69.4%, 32.8%, 0%, 27.1%)
CIE-LAB	lab(50.78, -1.35, -38.32)
CIE-LCH	lch(50.78, 38.34, 267.98°)
OKLab	oklab(57.43% -0.043 -0.1086)
OKLCH	oklch(57.43% 0.117 248.4)
XYZ	xyz(17.8806, 19.0803, 49.1854)
Luminance	0.1908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DBA #BA7639

analogous

#39BAB6 #397DBA #393DBA

triadic

#397DBA #BA397D #7DBA39

tetradic

#397DBA #B639BA #BA7639 #3DBA39

square

#397DBA #B639BA #BA7639 #3DBA39

split-complementary

#397DBA #BA393D #BAB639

monochromatic

#1C3E5C #2B5E8B #397DBA #619BCF #90B9DD

Accessibility & contrast

On white

4.36

#397DBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#397DBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DBA

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DBA	#FFFFFF	#000000	##000000
##397DBA	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6280BD

Deuteranopia (green-blind)

#5073B9

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397dba;
/* rgb */ color: rgb(57, 125, 186);
/* oklch */ color: oklch(57.4% 0.117 248.4);

Tailwind

colors: {
  custom: {
    50: '#7ea2cf',
    500: '#397dba',
    950: '#000000',
  },
}

SCSS

$custom: #397dba;
$custom-light: #7ea2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#397dba",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 186
  },
  "hsl": {
    "h": 208.372,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5743,
    "c": 0.11679,
    "h": 248.4
  },
  "luminance": 0.19082
}

Semantic roles & 50–950 ramp

primary

#397DBA

secondary

#C8A687

accent

#904BDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #397DBA

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

Preview Lab → · Contrast checker → · Palette generator →