#317BB2#317BB2

#317BB2 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.2% C 0.112 H 244.4°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#317BB2
RGB	rgb(49, 123, 178)
HSL	hsl(206, 57%, 45%)
HSV	hsv(206, 72%, 70%)
CMYK	cmyk(72.5%, 30.9%, 0%, 30.2%)
CIE-LAB	lab(49.53, -4.22, -35.68)
CIE-LCH	lch(49.53, 35.93, 263.26°)
OKLab	oklab(56.25% -0.0485 -0.101)
OKLCH	oklch(56.25% 0.112 244.4)
XYZ	xyz(16.3824, 18.0314, 44.7279)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317BB2 #B26831

analogous

#31B2A8 #317BB2 #313BB2

triadic

#317BB2 #B2317B #7BB231

tetradic

#317BB2 #A831B2 #B26831 #3BB231

square

#317BB2 #A831B2 #B26831 #3BB231

split-complementary

#317BB2 #B2313B #B2A831

monochromatic

#173952 #245A82 #317BB2 #5199CF #81B5DC

Accessibility & contrast

On white

4.56

#317BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#317BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317BB2

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317BB2	#FFFFFF	#000000	##000000
##317BB2	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)

#627DB4

Deuteranopia (green-blind)

#5070B1

Tritanopia (blue-blind)

#00888E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317bb2;
/* rgb */ color: rgb(49, 123, 178);
/* oklch */ color: oklch(56.2% 0.112 244.4);

Tailwind

colors: {
  custom: {
    50: '#7aa0c9',
    500: '#317bb2',
    950: '#000000',
  },
}

SCSS

$custom: #317bb2;
$custom-light: #7aa0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#317bb2",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 178
  },
  "hsl": {
    "h": 205.581,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56246,
    "c": 0.11203,
    "h": 244.4
  },
  "luminance": 0.18033
}

Semantic roles & 50–950 ramp

primary

#317BB2

secondary

#C59A79

accent

#8948E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #317BB2

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

Preview Lab → · Contrast checker → · Palette generator →