#3371C9#3371C9

#3371C9 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.4% C 0.151 H 257.7°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3371C9
RGB	rgb(51, 113, 201)
HSL	hsl(215, 60%, 49%)
HSV	hsv(215, 75%, 79%)
CMYK	cmyk(74.6%, 43.8%, 0%, 21.2%)
CIE-LAB	lab(47.92, 10.61, -51.49)
CIE-LCH	lch(47.92, 52.57, 281.64°)
OKLab	oklab(55.41% -0.0321 -0.1474)
OKLCH	oklch(55.41% 0.151 257.7)
XYZ	xyz(17.8091, 16.7291, 57.5375)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3371C9 #C98B33

analogous

#33BCC9 #3371C9 #4033C9

triadic

#3371C9 #C93371 #71C933

tetradic

#3371C9 #C933BC #C98B33 #33C940

square

#3371C9 #C933BC #C98B33 #33C940

split-complementary

#3371C9 #C94033 #BCC933

monochromatic

#1A3A67 #275698 #3371C9 #6292D7 #93B4E4

Accessibility & contrast

On white

4.83

#3371C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3371C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3371C9

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3371C9	#FFFFFF	#000000	##FFFFFF
##3371C9	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4579CC

Deuteranopia (green-blind)

#286BC7

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3371c9;
/* rgb */ color: rgb(51, 113, 201);
/* oklch */ color: oklch(55.4% 0.151 257.7);

Tailwind

colors: {
  custom: {
    50: '#7f99da',
    500: '#3371c9',
    950: '#000000',
  },
}

SCSS

$custom: #3371c9;
$custom-light: #7f99da;
$custom-dark: #000000;

JSON

{
  "hex": "#3371c9",
  "rgb": {
    "r": 51,
    "g": 113,
    "b": 201
  },
  "hsl": {
    "h": 215.2,
    "s": 59.524,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55405,
    "c": 0.1509,
    "h": 257.7
  },
  "luminance": 0.16731
}

Semantic roles & 50–950 ramp

primary

#3371C9

secondary

#CFB289

accent

#A245E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #3371C9

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

Preview Lab → · Contrast checker → · Palette generator →