#317BA3#317BA3

#317BA3 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.5% C 0.095 H 235.9°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#317BA3
RGB	rgb(49, 123, 163)
HSL	hsl(201, 54%, 42%)
HSV	hsv(201, 70%, 64%)
CMYK	cmyk(69.9%, 24.5%, 0%, 36.1%)
CIE-LAB	lab(48.84, -9.52, -28.06)
CIE-LCH	lch(48.84, 29.63, 251.26°)
OKLab	oklab(55.46% -0.0534 -0.0789)
OKLCH	oklch(55.46% 0.095 235.9)
XYZ	xyz(14.9579, 17.4616, 37.2253)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317BA3 #A35931

analogous

#31A392 #317BA3 #3142A3

triadic

#317BA3 #A3317B #7BA331

tetradic

#317BA3 #9231A3 #A35931 #42A331

square

#317BA3 #9231A3 #A35931 #42A331

split-complementary

#317BA3 #A33142 #A39231

monochromatic

#153445 #235774 #317BA3 #499CC8 #78B5D6

Accessibility & contrast

On white

4.67

#317BA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#317BA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #317BA3

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317BA3	#FFFFFF	#000000	##FFFFFF
##317BA3	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687AA5

Deuteranopia (green-blind)

#586FA2

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #317ba3;
/* rgb */ color: rgb(49, 123, 163);
/* oklch */ color: oklch(55.5% 0.095 235.9);

Tailwind

colors: {
  custom: {
    50: '#77a1be',
    500: '#317ba3',
    950: '#000000',
  },
}

SCSS

$custom: #317ba3;
$custom-light: #77a1be;
$custom-dark: #000000;

JSON

{
  "hex": "#317ba3",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 163
  },
  "hsl": {
    "h": 201.053,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.55464,
    "c": 0.0953,
    "h": 235.9
  },
  "luminance": 0.17463
}

Semantic roles & 50–950 ramp

primary

#317BA3

secondary

#BF8C71

accent

#7E4BDD

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #317BA3

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

Preview Lab → · Contrast checker → · Palette generator →