#3183BA#3183BA

#3183BA is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.6% C 0.115 H 242.1°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3183BA
RGB	rgb(49, 131, 186)
HSL	hsl(204, 58%, 46%)
HSV	hsv(204, 74%, 73%)
CMYK	cmyk(73.7%, 29.6%, 0%, 27.1%)
CIE-LAB	lab(52.32, -6.06, -35.92)
CIE-LCH	lch(52.32, 36.43, 260.42°)
OKLab	oklab(58.57% -0.0538 -0.1016)
OKLCH	oklch(58.57% 0.115 242.1)
XYZ	xyz(18.2424, 20.4286, 49.4265)
Luminance	0.2043 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3183BA #BA6831

analogous

#31BAAC #3183BA #313EBA

triadic

#3183BA #BA3183 #83BA31

tetradic

#3183BA #AC31BA #BA6831 #3EBA31

square

#3183BA #AC31BA #BA6831 #3EBA31

split-complementary

#3183BA #BA313E #BAAC31

monochromatic

#173F59 #24618A #3183BA #56A0D2 #86BBDF

Accessibility & contrast

On white

4.13

#3183BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#3183BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3183BA

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3183BA	#FFFFFF	#000000	##000000
##3183BA	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A84BC

Deuteranopia (green-blind)

#5777B9

Tritanopia (blue-blind)

#009196

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3183ba;
/* rgb */ color: rgb(49, 131, 186);
/* oklch */ color: oklch(58.6% 0.115 242.1);

Tailwind

colors: {
  custom: {
    50: '#7ba6cf',
    500: '#3183ba',
    950: '#000000',
  },
}

SCSS

$custom: #3183ba;
$custom-light: #7ba6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3183ba",
  "rgb": {
    "r": 49,
    "g": 131,
    "b": 186
  },
  "hsl": {
    "h": 204.088,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.58573,
    "c": 0.11496,
    "h": 242.1
  },
  "luminance": 0.20431
}

Semantic roles & 50–950 ramp

primary

#3183BA

secondary

#C99C7E

accent

#8546E2

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3183BA

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

Preview Lab → · Contrast checker → · Palette generator →