#317BA4#317BA4

#317BA4 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.5% C 0.096 H 236.6°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#317BA4
RGB	rgb(49, 123, 164)
HSL	hsl(201, 54%, 42%)
HSV	hsv(201, 70%, 64%)
CMYK	cmyk(70.1%, 25%, 0%, 35.7%)
CIE-LAB	lab(48.88, -9.17, -28.57)
CIE-LCH	lch(48.88, 30.01, 252.21°)
OKLab	oklab(55.51% -0.0531 -0.0804)
OKLCH	oklch(55.51% 0.096 236.6)
XYZ	xyz(15.0478, 17.4976, 37.6991)
Luminance	0.1750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317BA4 #A45A31

analogous

#31A494 #317BA4 #3142A4

triadic

#317BA4 #A4317B #7BA431

tetradic

#317BA4 #9431A4 #A45A31 #42A431

square

#317BA4 #9431A4 #A45A31 #42A431

split-complementary

#317BA4 #A43142 #A49431

monochromatic

#153446 #235875 #317BA4 #499BC9 #79B5D7

Accessibility & contrast

On white

4.67

#317BA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#317BA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317BA4

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317BA4	#FFFFFF	#000000	##FFFFFF
##317BA4	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687AA6

Deuteranopia (green-blind)

#586FA3

Tritanopia (blue-blind)

#008689

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #317ba4;
/* rgb */ color: rgb(49, 123, 164);
/* oklch */ color: oklch(55.5% 0.096 236.6);

Tailwind

colors: {
  custom: {
    50: '#77a1bf',
    500: '#317ba4',
    950: '#000000',
  },
}

SCSS

$custom: #317ba4;
$custom-light: #77a1bf;
$custom-dark: #000000;

JSON

{
  "hex": "#317ba4",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 164
  },
  "hsl": {
    "h": 201.391,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55514,
    "c": 0.09633,
    "h": 236.6
  },
  "luminance": 0.17499
}

Semantic roles & 50–950 ramp

primary

#317BA4

secondary

#BF8D72

accent

#7F4ADD

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #317BA4

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

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