#317EB2#317EB2

#317EB2 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.0% C 0.110 H 242.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#317EB2
RGB	rgb(49, 126, 178)
HSL	hsl(204, 57%, 45%)
HSV	hsv(204, 72%, 70%)
CMYK	cmyk(72.5%, 29.2%, 0%, 30.2%)
CIE-LAB	lab(50.44, -5.98, -34.27)
CIE-LCH	lch(50.44, 34.79, 260.09°)
OKLab	oklab(56.96% -0.0514 -0.0968)
OKLCH	oklch(56.96% 0.11 242)
XYZ	xyz(16.7603, 18.7871, 44.8538)
Luminance	0.1879 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317EB2 #B26531

analogous

#31B2A6 #317EB2 #313EB2

triadic

#317EB2 #B2317E #7EB231

tetradic

#317EB2 #A631B2 #B26531 #3EB231

square

#317EB2 #A631B2 #B26531 #3EB231

split-complementary

#317EB2 #B2313E #B2A631

monochromatic

#173A52 #245C82 #317EB2 #519CCF #81B8DC

Accessibility & contrast

On white

4.41

#317EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#317EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317EB2

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317EB2	#FFFFFF	#000000	##000000
##317EB2	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB4

Deuteranopia (green-blind)

#5473B1

Tritanopia (blue-blind)

#008B90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #317eb2;
/* rgb */ color: rgb(49, 126, 178);
/* oklch */ color: oklch(57.0% 0.110 242.0);

Tailwind

colors: {
  custom: {
    50: '#7aa3c9',
    500: '#317eb2',
    950: '#000000',
  },
}

SCSS

$custom: #317eb2;
$custom-light: #7aa3c9;
$custom-dark: #000000;

JSON

{
  "hex": "#317eb2",
  "rgb": {
    "r": 49,
    "g": 126,
    "b": 178
  },
  "hsl": {
    "h": 204.186,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5696,
    "c": 0.10966,
    "h": 242
  },
  "luminance": 0.18789
}

Semantic roles & 50–950 ramp

primary

#317EB2

secondary

#C59879

accent

#8548E0

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #317EB2

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

Preview Lab → · Contrast checker → · Palette generator →