#317DA4#317DA4

#317DA4 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.0% C 0.095 H 234.6°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#317DA4
RGB	rgb(49, 125, 164)
HSL	hsl(200, 54%, 42%)
HSV	hsv(200, 70%, 64%)
CMYK	cmyk(70.1%, 23.8%, 0%, 35.7%)
CIE-LAB	lab(49.49, -10.32, -27.62)
CIE-LCH	lch(49.49, 29.49, 249.51°)
OKLab	oklab(56% -0.0552 -0.0776)
OKLCH	oklch(56% 0.095 234.6)
XYZ	xyz(15.2984, 17.9989, 37.7826)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317DA4 #A45831

analogous

#31A492 #317DA4 #3143A4

triadic

#317DA4 #A4317D #7DA431

tetradic

#317DA4 #9231A4 #A45831 #43A431

square

#317DA4 #9231A4 #A45831 #43A431

split-complementary

#317DA4 #A43143 #A49231

monochromatic

#153546 #235975 #317DA4 #499EC9 #79B7D7

Accessibility & contrast

On white

4.57

#317DA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#317DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317DA4

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317DA4	#FFFFFF	#000000	##000000
##317DA4	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7CA6

Deuteranopia (green-blind)

#5A71A3

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317da4;
/* rgb */ color: rgb(49, 125, 164);
/* oklch */ color: oklch(56.0% 0.095 234.6);

Tailwind

colors: {
  custom: {
    50: '#77a2bf',
    500: '#317da4',
    950: '#000000',
  },
}

SCSS

$custom: #317da4;
$custom-light: #77a2bf;
$custom-dark: #000000;

JSON

{
  "hex": "#317da4",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 164
  },
  "hsl": {
    "h": 200.348,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56002,
    "c": 0.09524,
    "h": 234.6
  },
  "luminance": 0.18001
}

Semantic roles & 50–950 ramp

primary

#317DA4

secondary

#BF8C72

accent

#7C4ADD

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #317DA4

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

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