#317DA5#317DA5

#317DA5 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.1% C 0.096 H 235.3°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#317DA5
RGB	rgb(49, 125, 165)
HSL	hsl(201, 54%, 42%)
HSV	hsv(201, 70%, 65%)
CMYK	cmyk(70.3%, 24.2%, 0%, 35.3%)
CIE-LAB	lab(49.54, -9.98, -28.13)
CIE-LCH	lch(49.54, 29.85, 250.48°)
OKLab	oklab(56.05% -0.0548 -0.0791)
OKLCH	oklch(56.05% 0.096 235.3)
XYZ	xyz(15.3891, 18.0351, 38.2601)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317DA5 #A55931

analogous

#31A593 #317DA5 #3143A5

triadic

#317DA5 #A5317D #7DA531

tetradic

#317DA5 #9331A5 #A55931 #43A531

square

#317DA5 #9331A5 #A55931 #43A531

split-complementary

#317DA5 #A53143 #A59331

monochromatic

#153647 #235976 #317DA5 #4A9DC9 #79B7D7

Accessibility & contrast

On white

4.56

#317DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#317DA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317DA5

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317DA5	#FFFFFF	#000000	##000000
##317DA5	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7CA7

Deuteranopia (green-blind)

#5A71A4

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317da5;
/* rgb */ color: rgb(49, 125, 165);
/* oklch */ color: oklch(56.1% 0.096 235.3);

Tailwind

colors: {
  custom: {
    50: '#78a2c0',
    500: '#317da5',
    950: '#000000',
  },
}

SCSS

$custom: #317da5;
$custom-light: #78a2c0;
$custom-dark: #000000;

JSON

{
  "hex": "#317da5",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 165
  },
  "hsl": {
    "h": 200.69,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.56052,
    "c": 0.09624,
    "h": 235.3
  },
  "luminance": 0.18037
}

Semantic roles & 50–950 ramp

primary

#317DA5

secondary

#C08D72

accent

#7D4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #317DA5

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

Preview Lab → · Contrast checker → · Palette generator →