#3188A3#3188A3

#3188A3 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.7% C 0.091 H 222.3°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3188A3
RGB	rgb(49, 136, 163)
HSL	hsl(194, 54%, 42%)
HSV	hsv(194, 70%, 64%)
CMYK	cmyk(69.9%, 16.6%, 0%, 36.1%)
CIE-LAB	lab(52.84, -16.81, -21.87)
CIE-LCH	lch(52.84, 27.58, 232.44°)
OKLab	oklab(58.66% -0.0671 -0.0611)
OKLCH	oklch(58.66% 0.091 222.3)
XYZ	xyz(16.6789, 20.9038, 37.7990)
Luminance	0.2091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3188A3 #A34C31

analogous

#31A385 #3188A3 #314FA3

triadic

#3188A3 #A33188 #88A331

tetradic

#3188A3 #8531A3 #A34C31 #4FA331

square

#3188A3 #8531A3 #A34C31 #4FA331

split-complementary

#3188A3 #A3314F #A38531

monochromatic

#153945 #236174 #3188A3 #49AAC8 #78C0D6

Accessibility & contrast

On white

4.05

#3188A3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#3188A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3188A3

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3188A3	#FFFFFF	#000000	##000000
##3188A3	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7885A4

Deuteranopia (green-blind)

#6879A3

Tritanopia (blue-blind)

#009091

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3188a3;
/* rgb */ color: rgb(49, 136, 163);
/* oklch */ color: oklch(58.7% 0.091 222.3);

Tailwind

colors: {
  custom: {
    50: '#78aabe',
    500: '#3188a3',
    950: '#000000',
  },
}

SCSS

$custom: #3188a3;
$custom-light: #78aabe;
$custom-dark: #000000;

JSON

{
  "hex": "#3188a3",
  "rgb": {
    "r": 49,
    "g": 136,
    "b": 163
  },
  "hsl": {
    "h": 194.211,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.58663,
    "c": 0.09071,
    "h": 222.3
  },
  "luminance": 0.20906
}

Semantic roles & 50–950 ramp

primary

#3188A3

secondary

#BF8371

accent

#6D4BDD

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3188A3

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

Preview Lab → · Contrast checker → · Palette generator →