#317DA3#317DA3

#317DA3 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.0% C 0.094 H 233.9°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#317DA3
RGB	rgb(49, 125, 163)
HSL	hsl(200, 54%, 42%)
HSV	hsv(200, 70%, 64%)
CMYK	cmyk(69.9%, 23.3%, 0%, 36.1%)
CIE-LAB	lab(49.45, -10.67, -27.11)
CIE-LCH	lch(49.45, 29.13, 248.51°)
OKLab	oklab(55.95% -0.0555 -0.0761)
OKLCH	oklch(55.95% 0.094 233.9)
XYZ	xyz(15.2085, 17.9629, 37.3089)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317DA3 #A35731

analogous

#31A390 #317DA3 #3144A3

triadic

#317DA3 #A3317D #7DA331

tetradic

#317DA3 #9031A3 #A35731 #44A331

square

#317DA3 #9031A3 #A35731 #44A331

split-complementary

#317DA3 #A33144 #A39031

monochromatic

#153545 #235974 #317DA3 #499EC8 #78B7D6

Accessibility & contrast

On white

4.57

#317DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#317DA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317DA3

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317DA3	#FFFFFF	#000000	##000000
##317DA3	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7CA5

Deuteranopia (green-blind)

#5B71A2

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317da3;
/* rgb */ color: rgb(49, 125, 163);
/* oklch */ color: oklch(56.0% 0.094 233.9);

Tailwind

colors: {
  custom: {
    50: '#77a2be',
    500: '#317da3',
    950: '#000000',
  },
}

SCSS

$custom: #317da3;
$custom-light: #77a2be;
$custom-dark: #000000;

JSON

{
  "hex": "#317da3",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 163
  },
  "hsl": {
    "h": 200,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.55953,
    "c": 0.09424,
    "h": 233.9
  },
  "luminance": 0.17965
}

Semantic roles & 50–950 ramp

primary

#317DA3

secondary

#BF8B71

accent

#7B4BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #317DA3

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

Preview Lab → · Contrast checker → · Palette generator →