#317EA4#317EA4

#317EA4 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.2% C 0.095 H 233.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#317EA4
RGB	rgb(49, 126, 164)
HSL	hsl(200, 54%, 42%)
HSV	hsv(200, 70%, 64%)
CMYK	cmyk(70.1%, 23.2%, 0%, 35.7%)
CIE-LAB	lab(49.80, -10.90, -27.14)
CIE-LCH	lch(49.80, 29.25, 248.13°)
OKLab	oklab(56.25% -0.0562 -0.0762)
OKLCH	oklch(56.25% 0.095 233.6)
XYZ	xyz(15.4257, 18.2533, 37.8250)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317EA4 #A45731

analogous

#31A491 #317EA4 #3145A4

triadic

#317EA4 #A4317E #7EA431

tetradic

#317EA4 #9131A4 #A45731 #45A431

square

#317EA4 #9131A4 #A45731 #45A431

split-complementary

#317EA4 #A43145 #A49131

monochromatic

#153646 #235A75 #317EA4 #499FC9 #79B8D7

Accessibility & contrast

On white

4.52

#317EA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#317EA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317EA4

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317EA4	#FFFFFF	#000000	##000000
##317EA4	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7DA6

Deuteranopia (green-blind)

#5C71A3

Tritanopia (blue-blind)

#00888B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317ea4;
/* rgb */ color: rgb(49, 126, 164);
/* oklch */ color: oklch(56.2% 0.095 233.6);

Tailwind

colors: {
  custom: {
    50: '#77a3bf',
    500: '#317ea4',
    950: '#000000',
  },
}

SCSS

$custom: #317ea4;
$custom-light: #77a3bf;
$custom-dark: #000000;

JSON

{
  "hex": "#317ea4",
  "rgb": {
    "r": 49,
    "g": 126,
    "b": 164
  },
  "hsl": {
    "h": 199.826,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56247,
    "c": 0.09472,
    "h": 233.6
  },
  "luminance": 0.18255
}

Semantic roles & 50–950 ramp

primary

#317EA4

secondary

#BF8B72

accent

#7B4ADD

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #317EA4

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

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