#319DB4#319DB4

#319DB4 is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.6% C 0.100 H 215.2°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#319DB4
RGB	rgb(49, 157, 180)
HSL	hsl(191, 57%, 45%)
HSV	hsv(191, 73%, 71%)
CMYK	cmyk(72.8%, 12.8%, 0%, 29.4%)
CIE-LAB	lab(59.94, -22.41, -20.70)
CIE-LCH	lch(59.94, 30.51, 222.72°)
OKLab	oklab(64.58% -0.0818 -0.0577)
OKLCH	oklch(64.58% 0.1 215.2)
XYZ	xyz(21.5583, 28.0597, 47.4510)
Luminance	0.2806 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#319DB4 #B44831

analogous

#31B489 #319DB4 #315CB4

triadic

#319DB4 #B4319D #9DB431

tetradic

#319DB4 #8931B4 #B44831 #5CB431

square

#319DB4 #8931B4 #B44831 #5CB431

split-complementary

#319DB4 #B4315C #B48931

monochromatic

#174954 #247384 #319DB4 #52BAD0 #82CDDD

Accessibility & contrast

On white

3.18

#319DB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#319DB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #319DB4

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##319DB4	#FFFFFF	#000000	##000000
##319DB4	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D98B5

Deuteranopia (green-blind)

#7B8BB4

Tritanopia (blue-blind)

#00A6A4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #319db4;
/* rgb */ color: rgb(49, 157, 180);
/* oklch */ color: oklch(64.6% 0.100 215.2);

Tailwind

colors: {
  custom: {
    50: '#7cbaca',
    500: '#319db4',
    950: '#000000',
  },
}

SCSS

$custom: #319db4;
$custom-light: #7cbaca;
$custom-dark: #000000;

JSON

{
  "hex": "#319db4",
  "rgb": {
    "r": 49,
    "g": 157,
    "b": 180
  },
  "hsl": {
    "h": 190.534,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.64579,
    "c": 0.10013,
    "h": 215.2
  },
  "luminance": 0.28062
}

Semantic roles & 50–950 ramp

primary

#319DB4

secondary

#C6887B

accent

#6247E0

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #319DB4

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

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