#315BBD#315BBD

#315BBD is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.8% C 0.162 H 264.0°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#315BBD
RGB	rgb(49, 91, 189)
HSL	hsl(222, 59%, 47%)
HSV	hsv(222, 74%, 74%)
CMYK	cmyk(74.1%, 51.9%, 0%, 25.9%)
CIE-LAB	lab(40.91, 19.95, -55.84)
CIE-LCH	lch(40.91, 59.29, 289.66°)
OKLab	oklab(49.76% -0.0169 -0.1606)
OKLCH	oklch(49.76% 0.162 264)
XYZ	xyz(14.1898, 11.8077, 49.6655)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BBD #BD9331

analogous

#31A1BD #315BBD #4D31BD

triadic

#315BBD #BD315B #5BBD31

tetradic

#315BBD #BD31A1 #BD9331 #31BD4D

square

#315BBD #BD31A1 #BD9331 #31BD4D

split-complementary

#315BBD #BD4D31 #A1BD31

monochromatic

#182C5C #24448C #315BBD #587DD4 #88A3E0

Accessibility & contrast

On white

6.25

#315BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#315BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BBD

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BBD	#FFFFFF	#000000	##FFFFFF
##315BBD	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A67C0

Deuteranopia (green-blind)

#005ABB

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #315bbd;
/* rgb */ color: rgb(49, 91, 189);
/* oklch */ color: oklch(49.8% 0.162 264.0);

Tailwind

colors: {
  custom: {
    50: '#7c88d2',
    500: '#315bbd',
    950: '#000000',
  },
}

SCSS

$custom: #315bbd;
$custom-light: #7c88d2;
$custom-dark: #000000;

JSON

{
  "hex": "#315bbd",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 189
  },
  "hsl": {
    "h": 222,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.4976,
    "c": 0.16153,
    "h": 264
  },
  "luminance": 0.11809
}

Semantic roles & 50–950 ramp

primary

#315BBD

secondary

#CAB480

accent

#B346E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #315BBD

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

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