#318EB5#318EB5

#318EB5 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.0% C 0.103 H 230.1°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#318EB5
RGB	rgb(49, 142, 181)
HSL	hsl(198, 57%, 45%)
HSV	hsv(198, 73%, 71%)
CMYK	cmyk(72.9%, 21.5%, 0%, 29%)
CIE-LAB	lab(55.41, -14.05, -28.23)
CIE-LCH	lch(55.41, 31.54, 243.54°)
OKLab	oklab(60.96% -0.0664 -0.0793)
OKLCH	oklch(60.96% 0.103 230.1)
XYZ	xyz(19.2768, 23.3329, 47.1949)
Luminance	0.2334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318EB5 #B55831

analogous

#31B59A #318EB5 #314CB5

triadic

#318EB5 #B5318E #8EB531

tetradic

#318EB5 #9A31B5 #B55831 #4CB531

square

#318EB5 #9A31B5 #B55831 #4CB531

split-complementary

#318EB5 #B5314C #B59A31

monochromatic

#174255 #246885 #318EB5 #53ABD0 #83C3DD

Accessibility & contrast

On white

3.71

#318EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#318EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318EB5

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318EB5	#FFFFFF	#000000	##000000
##318EB5	1.00	3.71	5.67	5.67
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8CB7

Deuteranopia (green-blind)

#687FB4

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #318eb5;
/* rgb */ color: rgb(49, 142, 181);
/* oklch */ color: oklch(61.0% 0.103 230.1);

Tailwind

colors: {
  custom: {
    50: '#7bafcb',
    500: '#318eb5',
    950: '#000000',
  },
}

SCSS

$custom: #318eb5;
$custom-light: #7bafcb;
$custom-dark: #000000;

JSON

{
  "hex": "#318eb5",
  "rgb": {
    "r": 49,
    "g": 142,
    "b": 181
  },
  "hsl": {
    "h": 197.727,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.60961,
    "c": 0.10339,
    "h": 230.1
  },
  "luminance": 0.23335
}

Semantic roles & 50–950 ramp

primary

#318EB5

secondary

#C7917B

accent

#7547E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #318EB5

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

Preview Lab → · Contrast checker → · Palette generator →