#317DDA#317DDA

#317DDA is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 59.1% C 0.160 H 255.5°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#317DDA
RGB	rgb(49, 125, 218)
HSL	hsl(213, 70%, 52%)
HSV	hsv(213, 78%, 85%)
CMYK	cmyk(77.5%, 42.7%, 0%, 14.5%)
CIE-LAB	lab(52.26, 9.23, -54.20)
CIE-LCH	lch(52.26, 54.98, 279.66°)
OKLab	oklab(59.08% -0.0401 -0.1552)
OKLCH	oklch(59.08% 0.16 255.5)
XYZ	xyz(21.2504, 20.3796, 69.1298)
Luminance	0.2038 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317DDA #DA8E31

analogous

#31D1DA #317DDA #3A31DA

triadic

#317DDA #DA317D #7DDA31

tetradic

#317DDA #DA31D1 #DA8E31 #31DA3A

square

#317DDA #DA31D1 #DA8E31 #31DA3A

split-complementary

#317DDA #DA3A31 #D1DA31

monochromatic

#16437B #1F60AE #317DDA #659EE3 #99BEED

Accessibility & contrast

On white

4.14

#317DDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#317DDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317DDA

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317DDA	#FFFFFF	#000000	##000000
##317DDA	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E85DE

Deuteranopia (green-blind)

#2F76D8

Tritanopia (blue-blind)

#0093A1

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #317dda;
/* rgb */ color: rgb(49, 125, 218);
/* oklch */ color: oklch(59.1% 0.160 255.5);

Tailwind

colors: {
  custom: {
    50: '#81a2e6',
    500: '#317dda',
    950: '#000000',
  },
}

SCSS

$custom: #317dda;
$custom-light: #81a2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#317dda",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 218
  },
  "hsl": {
    "h": 213.018,
    "s": 69.547,
    "l": 52.353
  },
  "oklch": {
    "l": 0.59082,
    "c": 0.1603,
    "h": 255.5
  },
  "luminance": 0.20382
}

Semantic roles & 50–950 ramp

primary

#317DDA

secondary

#D8B78F

accent

#9D3BEC

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #317DDA

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

Preview Lab → · Contrast checker → · Palette generator →