#318FB5#318FB5

#318FB5 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.2% C 0.103 H 229.1°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#318FB5
RGB	rgb(49, 143, 181)
HSL	hsl(197, 57%, 45%)
HSV	hsv(197, 73%, 71%)
CMYK	cmyk(72.9%, 21%, 0%, 29%)
CIE-LAB	lab(55.72, -14.60, -27.76)
CIE-LCH	lch(55.72, 31.37, 242.26°)
OKLab	oklab(61.2% -0.0674 -0.0779)
OKLCH	oklch(61.2% 0.103 229.1)
XYZ	xyz(19.4262, 23.6318, 47.2447)
Luminance	0.2363 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318FB5 #B55731

analogous

#31B599 #318FB5 #314DB5

triadic

#318FB5 #B5318F #8FB531

tetradic

#318FB5 #9931B5 #B55731 #4DB531

square

#318FB5 #9931B5 #B55731 #4DB531

split-complementary

#318FB5 #B5314D #B59931

monochromatic

#174355 #246985 #318FB5 #53ACD0 #83C3DD

Accessibility & contrast

On white

3.67

#318FB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#318FB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318FB5

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318FB5	#FFFFFF	#000000	##000000
##318FB5	1.00	3.67	5.73	5.73
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8DB7

Deuteranopia (green-blind)

#6980B4

Tritanopia (blue-blind)

#009A9C

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #318fb5;
/* rgb */ color: rgb(49, 143, 181);
/* oklch */ color: oklch(61.2% 0.103 229.1);

Tailwind

colors: {
  custom: {
    50: '#7bafcb',
    500: '#318fb5',
    950: '#000000',
  },
}

SCSS

$custom: #318fb5;
$custom-light: #7bafcb;
$custom-dark: #000000;

JSON

{
  "hex": "#318fb5",
  "rgb": {
    "r": 49,
    "g": 143,
    "b": 181
  },
  "hsl": {
    "h": 197.273,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.61203,
    "c": 0.103,
    "h": 229.1
  },
  "luminance": 0.23634
}

Semantic roles & 50–950 ramp

primary

#318FB5

secondary

#C7917B

accent

#7347E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #318FB5

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

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