#317F9B#317F9B

#317F9B is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.1% C 0.086 H 225.4°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#317F9B
RGB	rgb(49, 127, 155)
HSL	hsl(196, 52%, 40%)
HSV	hsv(196, 68%, 61%)
CMYK	cmyk(68.4%, 18.1%, 0%, 39.2%)
CIE-LAB	lab(49.73, -14.52, -22.00)
CIE-LCH	lch(49.73, 26.36, 236.57°)
OKLab	oklab(56.07% -0.0607 -0.0615)
OKLCH	oklch(56.07% 0.086 225.4)
XYZ	xyz(14.7700, 18.1967, 33.7379)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317F9B #9B4D31

analogous

#319B82 #317F9B #314A9B

triadic

#317F9B #9B317F #7F9B31

tetradic

#317F9B #82319B #9B4D31 #4A9B31

square

#317F9B #82319B #9B4D31 #4A9B31

split-complementary

#317F9B #9B314A #9B8231

monochromatic

#14333E #22596D #317F9B #45A3C4 #73BAD3

Accessibility & contrast

On white

4.53

#317F9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#317F9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317F9B

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317F9B	#FFFFFF	#000000	##000000
##317F9B	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707C9C

Deuteranopia (green-blind)

#61729B

Tritanopia (blue-blind)

#008788

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317f9b;
/* rgb */ color: rgb(49, 127, 155);
/* oklch */ color: oklch(56.1% 0.086 225.4);

Tailwind

colors: {
  custom: {
    50: '#76a4b8',
    500: '#317f9b',
    950: '#000000',
  },
}

SCSS

$custom: #317f9b;
$custom-light: #76a4b8;
$custom-dark: #000000;

JSON

{
  "hex": "#317f9b",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 155
  },
  "hsl": {
    "h": 195.849,
    "s": 51.961,
    "l": 40
  },
  "oklch": {
    "l": 0.56068,
    "c": 0.08639,
    "h": 225.4
  },
  "luminance": 0.18198
}

Semantic roles & 50–950 ramp

primary

#317F9B

secondary

#BB826D

accent

#724CDB

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #317F9B

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

Preview Lab → · Contrast checker → · Palette generator →