#317D99#317D99

#317D99 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.5% C 0.085 H 225.9°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#317D99
RGB	rgb(49, 125, 153)
HSL	hsl(196, 51%, 40%)
HSV	hsv(196, 68%, 60%)
CMYK	cmyk(68%, 18.3%, 0%, 40%)
CIE-LAB	lab(49.03, -14.08, -21.92)
CIE-LCH	lch(49.03, 26.05, 237.29°)
OKLab	oklab(55.48% -0.0593 -0.0613)
OKLCH	oklch(55.48% 0.085 225.9)
XYZ	xyz(14.3477, 17.6186, 32.7754)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317D99 #994D31

analogous

#319981 #317D99 #314999

triadic

#317D99 #99317D #7D9931

tetradic

#317D99 #813199 #994D31 #499931

square

#317D99 #813199 #994D31 #499931

split-complementary

#317D99 #993149 #998131

monochromatic

#13313C #22576B #317D99 #44A1C3 #72B8D2

Accessibility & contrast

On white

4.64

#317D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#317D99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317D99

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317D99	#FFFFFF	#000000	##FFFFFF
##317D99	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7B9A

Deuteranopia (green-blind)

#5F7099

Tritanopia (blue-blind)

#008586

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #317d99;
/* rgb */ color: rgb(49, 125, 153);
/* oklch */ color: oklch(55.5% 0.085 225.9);

Tailwind

colors: {
  custom: {
    50: '#76a2b7',
    500: '#317d99',
    950: '#000000',
  },
}

SCSS

$custom: #317d99;
$custom-light: #76a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#317d99",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 153
  },
  "hsl": {
    "h": 196.154,
    "s": 51.485,
    "l": 39.608
  },
  "oklch": {
    "l": 0.55478,
    "c": 0.08526,
    "h": 225.9
  },
  "luminance": 0.1762
}

Semantic roles & 50–950 ramp

primary

#317D99

secondary

#BA816C

accent

#734DDB

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #317D99

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

Preview Lab → · Contrast checker → · Palette generator →