#317DA1#317DA1

#317DA1 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.9% C 0.092 H 232.4°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#317DA1
RGB	rgb(49, 125, 161)
HSL	hsl(199, 53%, 41%)
HSV	hsv(199, 70%, 63%)
CMYK	cmyk(69.6%, 22.4%, 0%, 36.9%)
CIE-LAB	lab(49.36, -11.36, -26.07)
CIE-LCH	lch(49.36, 28.44, 246.46°)
OKLab	oklab(55.86% -0.0563 -0.0732)
OKLCH	oklch(55.86% 0.092 232.4)
XYZ	xyz(15.0307, 17.8918, 36.3726)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317DA1 #A15531

analogous

#31A18D #317DA1 #3145A1

triadic

#317DA1 #A1317D #7DA131

tetradic

#317DA1 #8D31A1 #A15531 #45A131

square

#317DA1 #8D31A1 #A15531 #45A131

split-complementary

#317DA1 #A13145 #A18D31

monochromatic

#143443 #235972 #317DA1 #489EC7 #77B7D6

Accessibility & contrast

On white

4.59

#317DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#317DA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317DA1

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317DA1	#FFFFFF	#000000	##FFFFFF
##317DA1	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7CA3

Deuteranopia (green-blind)

#5C70A0

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317da1;
/* rgb */ color: rgb(49, 125, 161);
/* oklch */ color: oklch(55.9% 0.092 232.4);

Tailwind

colors: {
  custom: {
    50: '#77a2bd',
    500: '#317da1',
    950: '#000000',
  },
}

SCSS

$custom: #317da1;
$custom-light: #77a2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#317da1",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 161
  },
  "hsl": {
    "h": 199.286,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55856,
    "c": 0.0923,
    "h": 232.4
  },
  "luminance": 0.17893
}

Semantic roles & 50–950 ramp

primary

#317DA1

secondary

#BE8970

accent

#7A4BDD

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #317DA1

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

Preview Lab → · Contrast checker → · Palette generator →