#3377D9#3377D9

#3377D9 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.8% C 0.165 H 258.0°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3377D9
RGB	rgb(51, 119, 217)
HSL	hsl(215, 69%, 53%)
HSV	hsv(215, 76%, 85%)
CMYK	cmyk(76.5%, 45.2%, 0%, 14.9%)
CIE-LAB	lab(50.58, 12.80, -56.34)
CIE-LCH	lch(50.58, 57.77, 282.80°)
OKLab	oklab(57.77% -0.0342 -0.1616)
OKLCH	oklch(57.77% 0.165 258)
XYZ	xyz(20.4819, 18.9048, 68.2017)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3377D9 #D99533

analogous

#33CAD9 #3377D9 #4233D9

triadic

#3377D9 #D93377 #77D933

tetradic

#3377D9 #D933CA #D99533 #33D942

square

#3377D9 #D933CA #D99533 #33D942

split-complementary

#3377D9 #D94233 #CAD933

monochromatic

#17407B #205BAE #3377D9 #6799E3 #9ABCEC

Accessibility & contrast

On white

4.39

#3377D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3377D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3377D9

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3377D9	#FFFFFF	#000000	##000000
##3377D9	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4480DD

Deuteranopia (green-blind)

#1E71D7

Tritanopia (blue-blind)

#008E9D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3377d9;
/* rgb */ color: rgb(51, 119, 217);
/* oklch */ color: oklch(57.8% 0.165 258.0);

Tailwind

colors: {
  custom: {
    50: '#829de5',
    500: '#3377d9',
    950: '#000000',
  },
}

SCSS

$custom: #3377d9;
$custom-light: #829de5;
$custom-dark: #000000;

JSON

{
  "hex": "#3377d9",
  "rgb": {
    "r": 51,
    "g": 119,
    "b": 217
  },
  "hsl": {
    "h": 215.422,
    "s": 68.595,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57772,
    "c": 0.16515,
    "h": 258
  },
  "luminance": 0.18907
}

Semantic roles & 50–950 ramp

primary

#3377D9

secondary

#D8BA90

accent

#A43CEB

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3377D9

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

Preview Lab → · Contrast checker → · Palette generator →