#318DB5#318DB5

#318DB5 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.7% C 0.104 H 231.0°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#318DB5
RGB	rgb(49, 141, 181)
HSL	hsl(198, 57%, 45%)
HSV	hsv(198, 73%, 71%)
CMYK	cmyk(72.9%, 22.1%, 0%, 29%)
CIE-LAB	lab(55.11, -13.50, -28.70)
CIE-LCH	lch(55.11, 31.72, 244.81°)
OKLab	oklab(60.72% -0.0654 -0.0806)
OKLCH	oklch(60.72% 0.104 231)
XYZ	xyz(19.1286, 23.0367, 47.1455)
Luminance	0.2304 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318DB5 #B55931

analogous

#31B59B #318DB5 #314BB5

triadic

#318DB5 #B5318D #8DB531

tetradic

#318DB5 #9B31B5 #B55931 #4BB531

square

#318DB5 #9B31B5 #B55931 #4BB531

split-complementary

#318DB5 #B5314B #B59B31

monochromatic

#174255 #246785 #318DB5 #53AAD0 #83C2DD

Accessibility & contrast

On white

3.74

#318DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#318DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318DB5

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318DB5	#FFFFFF	#000000	##000000
##318DB5	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798BB7

Deuteranopia (green-blind)

#677EB4

Tritanopia (blue-blind)

#00989A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #318db5;
/* rgb */ color: rgb(49, 141, 181);
/* oklch */ color: oklch(60.7% 0.104 231.0);

Tailwind

colors: {
  custom: {
    50: '#7baecb',
    500: '#318db5',
    950: '#000000',
  },
}

SCSS

$custom: #318db5;
$custom-light: #7baecb;
$custom-dark: #000000;

JSON

{
  "hex": "#318db5",
  "rgb": {
    "r": 49,
    "g": 141,
    "b": 181
  },
  "hsl": {
    "h": 198.182,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.60718,
    "c": 0.1038,
    "h": 231
  },
  "luminance": 0.23039
}

Semantic roles & 50–950 ramp

primary

#318DB5

secondary

#C7927B

accent

#7647E1

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #318DB5

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

Preview Lab → · Contrast checker → · Palette generator →