#318EB7#318EB7

#318EB7 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.1% C 0.105 H 231.4°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#318EB7
RGB	rgb(49, 142, 183)
HSL	hsl(198, 58%, 45%)
HSV	hsv(198, 73%, 72%)
CMYK	cmyk(73.2%, 22.4%, 0%, 28.2%)
CIE-LAB	lab(55.50, -13.37, -29.24)
CIE-LCH	lch(55.50, 32.15, 245.43°)
OKLab	oklab(61.06% -0.0656 -0.0822)
OKLCH	oklch(61.06% 0.105 231.4)
XYZ	xyz(19.4834, 23.4156, 48.2834)
Luminance	0.2342 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#318EB7 #B75A31

analogous

#31B79D #318EB7 #314BB7

triadic

#318EB7 #B7318E #8EB731

tetradic

#318EB7 #9D31B7 #B75A31 #4BB731

square

#318EB7 #9D31B7 #B75A31 #4BB731

split-complementary

#318EB7 #B7314B #B79D31

monochromatic

#174356 #246987 #318EB7 #54ABD1 #84C3DE

Accessibility & contrast

On white

3.69

#318EB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#318EB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #318EB7

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##318EB7	#FFFFFF	#000000	##000000
##318EB7	1.00	3.69	5.68	5.68
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798CB9

Deuteranopia (green-blind)

#677FB6

Tritanopia (blue-blind)

#00999C

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #318eb7;
/* rgb */ color: rgb(49, 142, 183);
/* oklch */ color: oklch(61.1% 0.105 231.4);

Tailwind

colors: {
  custom: {
    50: '#7bafcc',
    500: '#318eb7',
    950: '#000000',
  },
}

SCSS

$custom: #318eb7;
$custom-light: #7bafcc;
$custom-dark: #000000;

JSON

{
  "hex": "#318eb7",
  "rgb": {
    "r": 49,
    "g": 142,
    "b": 183
  },
  "hsl": {
    "h": 198.358,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.61056,
    "c": 0.10517,
    "h": 231.4
  },
  "luminance": 0.23418
}

Semantic roles & 50–950 ramp

primary

#318EB7

secondary

#C8937C

accent

#7647E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #318EB7

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

Preview Lab → · Contrast checker → · Palette generator →