#315DBA#315DBA

#315DBA is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.155 H 263.0°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#315DBA
RGB	rgb(49, 93, 186)
HSL	hsl(221, 58%, 46%)
HSV	hsv(221, 74%, 73%)
CMYK	cmyk(73.7%, 50%, 0%, 27.1%)
CIE-LAB	lab(41.26, 17.52, -53.52)
CIE-LCH	lch(41.26, 56.32, 288.12°)
OKLab	oklab(49.96% -0.019 -0.1538)
OKLCH	oklch(49.96% 0.155 263)
XYZ	xyz(14.0407, 12.0253, 48.0260)
Luminance	0.1203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DBA #BA8E31

analogous

#31A1BA #315DBA #4931BA

triadic

#315DBA #BA315D #5DBA31

tetradic

#315DBA #BA31A1 #BA8E31 #31BA49

square

#315DBA #BA31A1 #BA8E31 #31BA49

split-complementary

#315DBA #BA4931 #A1BA31

monochromatic

#172D59 #24458A #315DBA #567ED2 #86A3DF

Accessibility & contrast

On white

6.17

#315DBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#315DBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DBA

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DBA	#FFFFFF	#000000	##FFFFFF
##315DBA	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2668BD

Deuteranopia (green-blind)

#005BB8

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #315dba;
/* rgb */ color: rgb(49, 93, 186);
/* oklch */ color: oklch(50.0% 0.155 263.0);

Tailwind

colors: {
  custom: {
    50: '#7b8acf',
    500: '#315dba',
    950: '#000000',
  },
}

SCSS

$custom: #315dba;
$custom-light: #7b8acf;
$custom-dark: #000000;

JSON

{
  "hex": "#315dba",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 186
  },
  "hsl": {
    "h": 220.73,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.49959,
    "c": 0.15497,
    "h": 263
  },
  "luminance": 0.12027
}

Semantic roles & 50–950 ramp

primary

#315DBA

secondary

#C9B17E

accent

#B046E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #315DBA

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

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