#3371CA#3371CA

#3371CA is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.152 H 257.9°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3371CA
RGB	rgb(51, 113, 202)
HSL	hsl(215, 60%, 50%)
HSV	hsv(215, 75%, 79%)
CMYK	cmyk(74.8%, 44.1%, 0%, 20.8%)
CIE-LAB	lab(47.98, 10.98, -51.97)
CIE-LCH	lch(47.98, 53.12, 281.93°)
OKLab	oklab(55.47% -0.0319 -0.1488)
OKLCH	oklch(55.47% 0.152 257.9)
XYZ	xyz(17.9271, 16.7763, 58.1590)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3371CA #CA8C33

analogous

#33BDCA #3371CA #4033CA

triadic

#3371CA #CA3371 #71CA33

tetradic

#3371CA #CA33BD #CA8C33 #33CA40

square

#3371CA #CA33BD #CA8C33 #33CA40

split-complementary

#3371CA #CA4033 #BDCA33

monochromatic

#1A3A68 #275699 #3371CA #6393D8 #94B5E4

Accessibility & contrast

On white

4.82

#3371CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3371CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3371CA

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3371CA	#FFFFFF	#000000	##FFFFFF
##3371CA	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4479CD

Deuteranopia (green-blind)

#266BC8

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3371ca;
/* rgb */ color: rgb(51, 113, 202);
/* oklch */ color: oklch(55.5% 0.152 257.9);

Tailwind

colors: {
  custom: {
    50: '#7f99db',
    500: '#3371ca',
    950: '#000000',
  },
}

SCSS

$custom: #3371ca;
$custom-light: #7f99db;
$custom-dark: #000000;

JSON

{
  "hex": "#3371ca",
  "rgb": {
    "r": 51,
    "g": 113,
    "b": 202
  },
  "hsl": {
    "h": 215.364,
    "s": 59.684,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55471,
    "c": 0.15223,
    "h": 257.9
  },
  "luminance": 0.16778
}

Semantic roles & 50–950 ramp

primary

#3371CA

secondary

#CFB38A

accent

#A245E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #3371CA

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

Preview Lab → · Contrast checker → · Palette generator →