#397DDA#397DDA

#397DDA is a mid, vivid cyan. Relative luminance 0.206; OKLCH L 59.3% C 0.158 H 257.1°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#397DDA
RGB	rgb(57, 125, 218)
HSL	hsl(215, 69%, 54%)
HSV	hsv(215, 74%, 85%)
CMYK	cmyk(73.9%, 42.7%, 0%, 14.5%)
CIE-LAB	lab(52.51, 10.18, -53.80)
CIE-LCH	lch(52.51, 54.75, 280.71°)
OKLab	oklab(59.34% -0.0353 -0.1539)
OKLCH	oklch(59.34% 0.158 257.1)
XYZ	xyz(21.6712, 20.5966, 69.1495)
Luminance	0.2060 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DDA #DA9639

analogous

#39CEDA #397DDA #4639DA

triadic

#397DDA #DA397D #7DDA39

tetradic

#397DDA #DA39CE #DA9639 #39DA46

square

#397DDA #DA39CE #DA9639 #39DA46

split-complementary

#397DDA #DA4639 #CEDA39

monochromatic

#184481 #2260B4 #397DDA #6D9FE4 #A0C1ED

Accessibility & contrast

On white

4.10

#397DDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#397DDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DDA

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DDA	#FFFFFF	#000000	##000000
##397DDA	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F85DE

Deuteranopia (green-blind)

#3276D8

Tritanopia (blue-blind)

#0093A1

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #397dda;
/* rgb */ color: rgb(57, 125, 218);
/* oklch */ color: oklch(59.3% 0.158 257.1);

Tailwind

colors: {
  custom: {
    50: '#84a2e6',
    500: '#397dda',
    950: '#000000',
  },
}

SCSS

$custom: #397dda;
$custom-light: #84a2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#397dda",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 218
  },
  "hsl": {
    "h": 214.658,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59337,
    "c": 0.15792,
    "h": 257.1
  },
  "luminance": 0.20599
}

Semantic roles & 50–950 ramp

primary

#397DDA

secondary

#DABD95

accent

#A13CEB

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0F16

muted

#7D7E84

Preview Lab

Preview with #397DDA

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

Preview Lab → · Contrast checker → · Palette generator →