#317FBB#317FBB

#317FBB is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.119 H 245.4°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#317FBB
RGB	rgb(49, 127, 187)
HSL	hsl(206, 58%, 46%)
HSV	hsv(206, 74%, 73%)
CMYK	cmyk(73.8%, 32.1%, 0%, 26.7%)
CIE-LAB	lab(51.17, -3.35, -38.29)
CIE-LCH	lch(51.17, 38.44, 265.00°)
OKLab	oklab(57.68% -0.0496 -0.1086)
OKLCH	oklch(57.68% 0.119 245.4)
XYZ	xyz(17.8222, 19.4175, 49.8127)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317FBB #BB6D31

analogous

#31BBB2 #317FBB #313ABB

triadic

#317FBB #BB317F #7FBB31

tetradic

#317FBB #B231BB #BB6D31 #3ABB31

square

#317FBB #B231BB #BB6D31 #3ABB31

split-complementary

#317FBB #BB313A #BBB231

monochromatic

#183D5A #245E8B #317FBB #569DD3 #87B9E0

Accessibility & contrast

On white

4.30

#317FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#317FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317FBB

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317FBB	#FFFFFF	#000000	##000000
##317FBB	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6481BE

Deuteranopia (green-blind)

#5074BA

Tritanopia (blue-blind)

#008E94

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #317fbb;
/* rgb */ color: rgb(49, 127, 187);
/* oklch */ color: oklch(57.7% 0.119 245.4);

Tailwind

colors: {
  custom: {
    50: '#7ba3d0',
    500: '#317fbb',
    950: '#000000',
  },
}

SCSS

$custom: #317fbb;
$custom-light: #7ba3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#317fbb",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 187
  },
  "hsl": {
    "h": 206.087,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.57684,
    "c": 0.11936,
    "h": 245.4
  },
  "luminance": 0.1942
}

Semantic roles & 50–950 ramp

primary

#317FBB

secondary

#C99F7F

accent

#8A46E2

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #317FBB

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

Preview Lab → · Contrast checker → · Palette generator →