#315EBB#315EBB

#315EBB is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.2% C 0.155 H 262.7°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#315EBB
RGB	rgb(49, 94, 187)
HSL	hsl(220, 58%, 46%)
HSV	hsv(220, 74%, 73%)
CMYK	cmyk(73.8%, 49.7%, 0%, 26.7%)
CIE-LAB	lab(41.60, 17.25, -53.55)
CIE-LCH	lch(41.60, 56.26, 287.85°)
OKLab	oklab(50.24% -0.0197 -0.1539)
OKLCH	oklch(50.24% 0.155 262.7)
XYZ	xyz(14.2358, 12.2447, 48.6173)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EBB #BB8E31

analogous

#31A3BB #315EBB #4931BB

triadic

#315EBB #BB315E #5EBB31

tetradic

#315EBB #BB31A3 #BB8E31 #31BB49

square

#315EBB #BB31A3 #BB8E31 #31BB49

split-complementary

#315EBB #BB4931 #A3BB31

monochromatic

#182D5A #24468B #315EBB #567FD3 #87A4E0

Accessibility & contrast

On white

6.09

#315EBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#315EBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EBB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EBB	#FFFFFF	#000000	##FFFFFF
##315EBB	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2769BE

Deuteranopia (green-blind)

#005CB9

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #315ebb;
/* rgb */ color: rgb(49, 94, 187);
/* oklch */ color: oklch(50.2% 0.155 262.7);

Tailwind

colors: {
  custom: {
    50: '#7c8bd0',
    500: '#315ebb',
    950: '#000000',
  },
}

SCSS

$custom: #315ebb;
$custom-light: #7c8bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#315ebb",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 187
  },
  "hsl": {
    "h": 220.435,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.50244,
    "c": 0.15511,
    "h": 262.7
  },
  "luminance": 0.12246
}

Semantic roles & 50–950 ramp

primary

#315EBB

secondary

#C9B17F

accent

#AF46E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #315EBB

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

Preview Lab → · Contrast checker → · Palette generator →