#3381B2#3381B2

#3381B2 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.7% C 0.107 H 240.0°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3381B2
RGB	rgb(51, 129, 178)
HSL	hsl(203, 55%, 45%)
HSV	hsv(203, 71%, 70%)
CMYK	cmyk(71.3%, 27.5%, 0%, 30.2%)
CIE-LAB	lab(51.40, -7.44, -32.75)
CIE-LCH	lch(51.40, 33.59, 257.20°)
OKLab	oklab(57.74% -0.0533 -0.0924)
OKLCH	oklch(57.74% 0.107 240)
XYZ	xyz(17.2483, 19.6168, 44.9882)
Luminance	0.1962 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3381B2 #B26433

analogous

#33B2A4 #3381B2 #3341B2

triadic

#3381B2 #B23381 #81B233

tetradic

#3381B2 #A433B2 #B26433 #41B233

square

#3381B2 #A433B2 #B26433 #41B233

split-complementary

#3381B2 #B23341 #B2A433

monochromatic

#183C53 #255F82 #3381B2 #549FCE #84BADC

Accessibility & contrast

On white

4.26

#3381B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#3381B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3381B2

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3381B2	#FFFFFF	#000000	##000000
##3381B2	1.00	4.26	4.92	4.92
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A81B4

Deuteranopia (green-blind)

#5975B1

Tritanopia (blue-blind)

#008D92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3381b2;
/* rgb */ color: rgb(51, 129, 178);
/* oklch */ color: oklch(57.7% 0.107 240.0);

Tailwind

colors: {
  custom: {
    50: '#7ba5c9',
    500: '#3381b2',
    950: '#000000',
  },
}

SCSS

$custom: #3381b2;
$custom-light: #7ba5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3381b2",
  "rgb": {
    "r": 51,
    "g": 129,
    "b": 178
  },
  "hsl": {
    "h": 203.15,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5774,
    "c": 0.10666,
    "h": 240
  },
  "luminance": 0.19619
}

Semantic roles & 50–950 ramp

primary

#3381B2

secondary

#C5987C

accent

#8349DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3381B2

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

Preview Lab → · Contrast checker → · Palette generator →