#3371C8#3371C8

#3371C8 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.3% C 0.150 H 257.5°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3371C8
RGB	rgb(51, 113, 200)
HSL	hsl(215, 59%, 49%)
HSV	hsv(215, 75%, 78%)
CMYK	cmyk(74.5%, 43.5%, 0%, 21.6%)
CIE-LAB	lab(47.86, 10.24, -51.02)
CIE-LCH	lch(47.86, 52.03, 281.35°)
OKLab	oklab(55.34% -0.0323 -0.146)
OKLCH	oklch(55.34% 0.15 257.5)
XYZ	xyz(17.6919, 16.6822, 56.9200)
Luminance	0.1668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3371C8 #C88A33

analogous

#33BCC8 #3371C8 #4033C8

triadic

#3371C8 #C83371 #71C833

tetradic

#3371C8 #C833BC #C88A33 #33C840

square

#3371C8 #C833BC #C88A33 #33C840

split-complementary

#3371C8 #C84033 #BCC833

monochromatic

#1A3A66 #275597 #3371C8 #6192D7 #92B4E3

Accessibility & contrast

On white

4.84

#3371C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3371C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3371C8

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3371C8	#FFFFFF	#000000	##FFFFFF
##3371C8	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4679CB

Deuteranopia (green-blind)

#296BC6

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3371c8;
/* rgb */ color: rgb(51, 113, 200);
/* oklch */ color: oklch(55.3% 0.150 257.5);

Tailwind

colors: {
  custom: {
    50: '#7e99d9',
    500: '#3371c8',
    950: '#000000',
  },
}

SCSS

$custom: #3371c8;
$custom-light: #7e99d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3371c8",
  "rgb": {
    "r": 51,
    "g": 113,
    "b": 200
  },
  "hsl": {
    "h": 215.034,
    "s": 59.363,
    "l": 49.216
  },
  "oklch": {
    "l": 0.5534,
    "c": 0.14957,
    "h": 257.5
  },
  "luminance": 0.16684
}

Semantic roles & 50–950 ramp

primary

#3371C8

secondary

#CEB189

accent

#A145E3

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #3371C8

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

Preview Lab → · Contrast checker → · Palette generator →