#315AB9#315AB9

#315AB9 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.3% C 0.157 H 264.0°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#315AB9
RGB	rgb(49, 90, 185)
HSL	hsl(222, 58%, 46%)
HSV	hsv(222, 74%, 73%)
CMYK	cmyk(73.5%, 51.4%, 0%, 27.5%)
CIE-LAB	lab(40.36, 19.10, -54.39)
CIE-LCH	lch(40.36, 57.65, 289.35°)
OKLab	oklab(49.25% -0.0166 -0.1564)
OKLCH	oklch(49.25% 0.157 264)
XYZ	xyz(13.6766, 11.4666, 47.3820)
Luminance	0.1147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315AB9 #B99031

analogous

#319EB9 #315AB9 #4C31B9

triadic

#315AB9 #B9315A #5AB931

tetradic

#315AB9 #B9319E #B99031 #31B94C

square

#315AB9 #B9319E #B99031 #31B94C

split-complementary

#315AB9 #B94C31 #9EB931

monochromatic

#172B58 #244289 #315AB9 #557BD2 #86A0DF

Accessibility & contrast

On white

6.38

#315AB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#315AB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315AB9

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315AB9	#FFFFFF	#000000	##FFFFFF
##315AB9	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E66BC

Deuteranopia (green-blind)

#0059B7

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315ab9;
/* rgb */ color: rgb(49, 90, 185);
/* oklch */ color: oklch(49.3% 0.157 264.0);

Tailwind

colors: {
  custom: {
    50: '#7b88cf',
    500: '#315ab9',
    950: '#000000',
  },
}

SCSS

$custom: #315ab9;
$custom-light: #7b88cf;
$custom-dark: #000000;

JSON

{
  "hex": "#315ab9",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 185
  },
  "hsl": {
    "h": 221.912,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.4925,
    "c": 0.1573,
    "h": 264
  },
  "luminance": 0.11468
}

Semantic roles & 50–950 ramp

primary

#315AB9

secondary

#C8B27D

accent

#B346E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #315AB9

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

Preview Lab → · Contrast checker → · Palette generator →