#315DAE#315DAE

#315DAE is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.1% C 0.138 H 261.4°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#315DAE
RGB	rgb(49, 93, 174)
HSL	hsl(219, 56%, 44%)
HSV	hsv(219, 72%, 68%)
CMYK	cmyk(71.8%, 46.6%, 0%, 31.8%)
CIE-LAB	lab(40.47, 13.01, -47.75)
CIE-LCH	lch(40.47, 49.49, 285.24°)
OKLab	oklab(49.1% -0.0207 -0.1368)
OKLCH	oklch(49.1% 0.138 261.4)
XYZ	xyz(12.8182, 11.5363, 41.5874)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315DAE #AE8231

analogous

#319BAE #315DAE #4331AE

triadic

#315DAE #AE315D #5DAE31

tetradic

#315DAE #AE319B #AE8231 #31AE43

square

#315DAE #AE319B #AE8231 #31AE43

split-complementary

#315DAE #AE4331 #9BAE31

monochromatic

#162A4E #24437E #315DAE #4F7BCD #7F9FDB

Accessibility & contrast

On white

6.35

#315DAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#315DAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315DAE

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315DAE	#FFFFFF	#000000	##FFFFFF
##315DAE	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3366B1

Deuteranopia (green-blind)

#185AAC

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315dae;
/* rgb */ color: rgb(49, 93, 174);
/* oklch */ color: oklch(49.1% 0.138 261.4);

Tailwind

colors: {
  custom: {
    50: '#798ac7',
    500: '#315dae',
    950: '#000000',
  },
}

SCSS

$custom: #315dae;
$custom-light: #798ac7;
$custom-dark: #000000;

JSON

{
  "hex": "#315dae",
  "rgb": {
    "r": 49,
    "g": 93,
    "b": 174
  },
  "hsl": {
    "h": 218.88,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.49104,
    "c": 0.13837,
    "h": 261.4
  },
  "luminance": 0.11538
}

Semantic roles & 50–950 ramp

primary

#315DAE

secondary

#C4A977

accent

#AA48DF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315DAE

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

Preview Lab → · Contrast checker → · Palette generator →