#315EB9#315EB9

#315EB9 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.1% C 0.152 H 262.5°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#315EB9
RGB	rgb(49, 94, 185)
HSL	hsl(220, 58%, 46%)
HSV	hsv(220, 74%, 73%)
CMYK	cmyk(73.5%, 49.2%, 0%, 27.5%)
CIE-LAB	lab(41.47, 16.49, -52.60)
CIE-LCH	lch(41.47, 55.12, 287.41°)
OKLab	oklab(50.1% -0.0199 -0.1511)
OKLCH	oklch(50.1% 0.152 262.5)
XYZ	xyz(14.0232, 12.1596, 47.4975)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EB9 #B98C31

analogous

#31A2B9 #315EB9 #4831B9

triadic

#315EB9 #B9315E #5EB931

tetradic

#315EB9 #B931A2 #B98C31 #31B948

square

#315EB9 #B931A2 #B98C31 #31B948

split-complementary

#315EB9 #B94831 #A2B931

monochromatic

#172D58 #244589 #315EB9 #557ED2 #86A3DF

Accessibility & contrast

On white

6.12

#315EB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#315EB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EB9

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EB9	#FFFFFF	#000000	##FFFFFF
##315EB9	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A68BC

Deuteranopia (green-blind)

#005CB7

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #315eb9;
/* rgb */ color: rgb(49, 94, 185);
/* oklch */ color: oklch(50.1% 0.152 262.5);

Tailwind

colors: {
  custom: {
    50: '#7b8bcf',
    500: '#315eb9',
    950: '#000000',
  },
}

SCSS

$custom: #315eb9;
$custom-light: #7b8bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#315eb9",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 185
  },
  "hsl": {
    "h": 220.147,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.501,
    "c": 0.15237,
    "h": 262.5
  },
  "luminance": 0.12161
}

Semantic roles & 50–950 ramp

primary

#315EB9

secondary

#C8B07D

accent

#AE46E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #315EB9

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

Preview Lab → · Contrast checker → · Palette generator →