#3397AB#3397AB

#3397AB is a light, moderate cyan. Relative luminance 0.258; OKLCH L 62.8% C 0.094 H 213.7°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#3397AB
RGB	rgb(51, 151, 171)
HSL	hsl(190, 54%, 44%)
HSV	hsv(190, 70%, 67%)
CMYK	cmyk(70.2%, 11.7%, 0%, 32.9%)
CIE-LAB	lab(57.82, -21.90, -18.83)
CIE-LCH	lch(57.82, 28.88, 220.68°)
OKLab	oklab(62.78% -0.0785 -0.0524)
OKLCH	oklch(62.78% 0.094 213.7)
XYZ	xyz(19.7794, 25.7750, 42.4528)
Luminance	0.2578 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3397AB #AB4733

analogous

#33AB83 #3397AB #335BAB

triadic

#3397AB #AB3397 #97AB33

tetradic

#3397AB #8333AB #AB4733 #5BAB33

square

#3397AB #8333AB #AB4733 #5BAB33

split-complementary

#3397AB #AB335B #AB8333

monochromatic

#17444D #256D7C #3397AB #50B6CB #7FCAD9

Accessibility & contrast

On white

3.41

#3397AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#3397AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3397AB

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3397AB	#FFFFFF	#000000	##000000
##3397AB	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8892AC

Deuteranopia (green-blind)

#7786AB

Tritanopia (blue-blind)

#009F9D

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3397ab;
/* rgb */ color: rgb(51, 151, 171);
/* oklch */ color: oklch(62.8% 0.094 213.7);

Tailwind

colors: {
  custom: {
    50: '#7bb5c4',
    500: '#3397ab',
    950: '#000000',
  },
}

SCSS

$custom: #3397ab;
$custom-light: #7bb5c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3397ab",
  "rgb": {
    "r": 51,
    "g": 151,
    "b": 171
  },
  "hsl": {
    "h": 190,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.62777,
    "c": 0.09435,
    "h": 213.7
  },
  "luminance": 0.25777
}

Semantic roles & 50–950 ramp

primary

#3397AB

secondary

#C28478

accent

#634ADD

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1112

muted

#7C8081

Preview Lab

Preview with #3397AB

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

Preview Lab → · Contrast checker → · Palette generator →