#317BBD#317BBD

#317BBD is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 56.9% C 0.125 H 248.9°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#317BBD
RGB	rgb(49, 123, 189)
HSL	hsl(208, 59%, 47%)
HSV	hsv(208, 74%, 74%)
CMYK	cmyk(74.1%, 34.9%, 0%, 25.9%)
CIE-LAB	lab(50.09, -0.24, -41.16)
CIE-LCH	lch(50.09, 41.16, 269.67°)
OKLab	oklab(56.86% -0.0452 -0.117)
OKLCH	oklch(56.86% 0.125 248.9)
XYZ	xyz(17.5314, 18.4910, 50.7794)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317BBD #BD7331

analogous

#31BDB9 #317BBD #3135BD

triadic

#317BBD #BD317B #7BBD31

tetradic

#317BBD #B931BD #BD7331 #35BD31

square

#317BBD #B931BD #BD7331 #35BD31

split-complementary

#317BBD #BD3135 #BDB931

monochromatic

#183C5C #245B8C #317BBD #5899D4 #88B7E0

Accessibility & contrast

On white

4.47

#317BBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#317BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317BBD

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317BBD	#FFFFFF	#000000	##000000
##317BBD	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7EC0

Deuteranopia (green-blind)

#4971BC

Tritanopia (blue-blind)

#008B93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #317bbd;
/* rgb */ color: rgb(49, 123, 189);
/* oklch */ color: oklch(56.9% 0.125 248.9);

Tailwind

colors: {
  custom: {
    50: '#7ca0d1',
    500: '#317bbd',
    950: '#000000',
  },
}

SCSS

$custom: #317bbd;
$custom-light: #7ca0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#317bbd",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 189
  },
  "hsl": {
    "h": 208.286,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56862,
    "c": 0.12542,
    "h": 248.9
  },
  "luminance": 0.18493
}

Semantic roles & 50–950 ramp

primary

#317BBD

secondary

#CAA380

accent

#8F46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #317BBD

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

Preview Lab → · Contrast checker → · Palette generator →