#317CA5#317CA5

#317CA5 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.8% C 0.097 H 236.3°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#317CA5
RGB	rgb(49, 124, 165)
HSL	hsl(201, 54%, 42%)
HSV	hsv(201, 70%, 65%)
CMYK	cmyk(70.3%, 24.8%, 0%, 35.3%)
CIE-LAB	lab(49.23, -9.40, -28.61)
CIE-LCH	lch(49.23, 30.12, 251.81°)
OKLab	oklab(55.81% -0.0538 -0.0805)
OKLCH	oklch(55.81% 0.097 236.3)
XYZ	xyz(15.2631, 17.7832, 38.2181)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317CA5 #A55A31

analogous

#31A594 #317CA5 #3142A5

triadic

#317CA5 #A5317C #7CA531

tetradic

#317CA5 #9431A5 #A55A31 #42A531

square

#317CA5 #9431A5 #A55A31 #42A531

split-complementary

#317CA5 #A53142 #A59431

monochromatic

#153547 #235976 #317CA5 #4A9CC9 #79B6D7

Accessibility & contrast

On white

4.61

#317CA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#317CA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317CA5

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317CA5	#FFFFFF	#000000	##FFFFFF
##317CA5	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687BA7

Deuteranopia (green-blind)

#5970A4

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317ca5;
/* rgb */ color: rgb(49, 124, 165);
/* oklch */ color: oklch(55.8% 0.097 236.3);

Tailwind

colors: {
  custom: {
    50: '#77a1c0',
    500: '#317ca5',
    950: '#000000',
  },
}

SCSS

$custom: #317ca5;
$custom-light: #77a1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#317ca5",
  "rgb": {
    "r": 49,
    "g": 124,
    "b": 165
  },
  "hsl": {
    "h": 201.207,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.55808,
    "c": 0.0968,
    "h": 236.3
  },
  "luminance": 0.17785
}

Semantic roles & 50–950 ramp

primary

#317CA5

secondary

#C08E72

accent

#7E4ADE

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #317CA5

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

Preview Lab → · Contrast checker → · Palette generator →