#318DB3#318DB3

#318DB3 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.6% C 0.102 H 229.6°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#318DB3
RGB	rgb(49, 141, 179)
HSL	hsl(198, 57%, 45%)
HSV	hsv(198, 73%, 70%)
CMYK	cmyk(72.6%, 21.2%, 0%, 29.8%)
CIE-LAB	lab(55.03, -14.18, -27.69)
CIE-LCH	lch(55.03, 31.11, 242.88°)
OKLab	oklab(60.62% -0.0661 -0.0777)
OKLCH	oklch(60.62% 0.102 229.6)
XYZ	xyz(18.9249, 22.9552, 46.0725)
Luminance	0.2296 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318DB3 #B35731

analogous

#31B398 #318DB3 #314CB3

triadic

#318DB3 #B3318D #8DB331

tetradic

#318DB3 #9831B3 #B35731 #4CB331

square

#318DB3 #9831B3 #B35731 #4CB331

split-complementary

#318DB3 #B3314C #B39831

monochromatic

#174153 #246783 #318DB3 #52ABD0 #82C2DD

Accessibility & contrast

On white

3.76

#318DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#318DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318DB3

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318DB3	#FFFFFF	#000000	##000000
##318DB3	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798BB5

Deuteranopia (green-blind)

#687EB2

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #318db3;
/* rgb */ color: rgb(49, 141, 179);
/* oklch */ color: oklch(60.6% 0.102 229.6);

Tailwind

colors: {
  custom: {
    50: '#7baeca',
    500: '#318db3',
    950: '#000000',
  },
}

SCSS

$custom: #318db3;
$custom-light: #7baeca;
$custom-dark: #000000;

JSON

{
  "hex": "#318db3",
  "rgb": {
    "r": 49,
    "g": 141,
    "b": 179
  },
  "hsl": {
    "h": 197.538,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.60623,
    "c": 0.10203,
    "h": 229.6
  },
  "luminance": 0.22957
}

Semantic roles & 50–950 ramp

primary

#318DB3

secondary

#C6907A

accent

#7448E0

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #318DB3

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

Preview Lab → · Contrast checker → · Palette generator →