#3183B2#3183B2

#3183B2 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.2% C 0.106 H 237.9°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3183B2
RGB	rgb(49, 131, 178)
HSL	hsl(202, 57%, 45%)
HSV	hsv(202, 72%, 70%)
CMYK	cmyk(72.5%, 26.4%, 0%, 30.2%)
CIE-LAB	lab(51.95, -8.89, -31.90)
CIE-LCH	lch(51.95, 33.12, 254.43°)
OKLab	oklab(58.16% -0.0564 -0.0899)
OKLCH	oklch(58.16% 0.106 237.9)
XYZ	xyz(17.4157, 20.0979, 45.0723)
Luminance	0.2010 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3183B2 #B26031

analogous

#31B2A0 #3183B2 #3143B2

triadic

#3183B2 #B23183 #83B231

tetradic

#3183B2 #A031B2 #B26031 #43B231

square

#3183B2 #A031B2 #B26031 #43B231

split-complementary

#3183B2 #B23143 #B2A031

monochromatic

#173C52 #246082 #3183B2 #51A1CF #81BBDC

Accessibility & contrast

On white

4.18

#3183B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#3183B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3183B2

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3183B2	#FFFFFF	#000000	##000000
##3183B2	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)

#6D83B4

Deuteranopia (green-blind)

#5B76B1

Tritanopia (blue-blind)

#008F93

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3183b2;
/* rgb */ color: rgb(49, 131, 178);
/* oklch */ color: oklch(58.2% 0.106 237.9);

Tailwind

colors: {
  custom: {
    50: '#7aa7c9',
    500: '#3183b2',
    950: '#000000',
  },
}

SCSS

$custom: #3183b2;
$custom-light: #7aa7c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3183b2",
  "rgb": {
    "r": 49,
    "g": 131,
    "b": 178
  },
  "hsl": {
    "h": 201.86,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.58158,
    "c": 0.10617,
    "h": 237.9
  },
  "luminance": 0.201
}

Semantic roles & 50–950 ramp

primary

#3183B2

secondary

#C59579

accent

#7F48E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #3183B2

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

Preview Lab → · Contrast checker → · Palette generator →