#3383B1#3383B1

#3383B1 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.2% C 0.104 H 237.8°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3383B1
RGB	rgb(51, 131, 177)
HSL	hsl(202, 55%, 45%)
HSV	hsv(202, 71%, 69%)
CMYK	cmyk(71.2%, 26%, 0%, 30.6%)
CIE-LAB	lab(51.96, -8.95, -31.30)
CIE-LCH	lch(51.96, 32.56, 254.05°)
OKLab	oklab(58.17% -0.0556 -0.0882)
OKLCH	oklch(58.17% 0.104 237.8)
XYZ	xyz(17.4142, 20.1088, 44.5501)
Luminance	0.2011 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3383B1 #B16133

analogous

#33B1A0 #3383B1 #3344B1

triadic

#3383B1 #B13383 #83B133

tetradic

#3383B1 #A033B1 #B16133 #44B133

square

#3383B1 #A033B1 #B16133 #44B133

split-complementary

#3383B1 #B13344 #B1A033

monochromatic

#183D52 #256081 #3383B1 #54A1CE #83BBDB

Accessibility & contrast

On white

4.18

#3383B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#3383B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3383B1

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3383B1	#FFFFFF	#000000	##000000
##3383B1	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D83B3

Deuteranopia (green-blind)

#5C76B0

Tritanopia (blue-blind)

#008F93

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3383b1;
/* rgb */ color: rgb(51, 131, 177);
/* oklch */ color: oklch(58.2% 0.104 237.8);

Tailwind

colors: {
  custom: {
    50: '#7aa7c8',
    500: '#3383b1',
    950: '#000000',
  },
}

SCSS

$custom: #3383b1;
$custom-light: #7aa7c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3383b1",
  "rgb": {
    "r": 51,
    "g": 131,
    "b": 177
  },
  "hsl": {
    "h": 201.905,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.58169,
    "c": 0.10428,
    "h": 237.8
  },
  "luminance": 0.20111
}

Semantic roles & 50–950 ramp

primary

#3383B1

secondary

#C5967B

accent

#8049DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3383B1

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

Preview Lab → · Contrast checker → · Palette generator →