#315BAC#315BAC

#315BAC is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.5% C 0.138 H 262.0°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#315BAC
RGB	rgb(49, 91, 172)
HSL	hsl(220, 56%, 43%)
HSV	hsv(220, 72%, 67%)
CMYK	cmyk(71.5%, 47.1%, 0%, 32.5%)
CIE-LAB	lab(39.77, 13.56, -47.69)
CIE-LCH	lch(39.77, 49.58, 285.87°)
OKLab	oklab(48.53% -0.0192 -0.1367)
OKLCH	oklch(48.53% 0.138 262)
XYZ	xyz(12.4514, 11.1124, 40.5104)
Luminance	0.1111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BAC #AC8231

analogous

#3198AC #315BAC #4431AC

triadic

#315BAC #AC315B #5BAC31

tetradic

#315BAC #AC3198 #AC8231 #31AC44

square

#315BAC #AC3198 #AC8231 #31AC44

split-complementary

#315BAC #AC4431 #98AC31

monochromatic

#16294D #23427C #315BAC #4E79CC #7D9DDA

Accessibility & contrast

On white

6.52

#315BAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#315BAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BAC

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BAC	#FFFFFF	#000000	##FFFFFF
##315BAC	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3164AF

Deuteranopia (green-blind)

#1558AA

Tritanopia (blue-blind)

#006E7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #315bac;
/* rgb */ color: rgb(49, 91, 172);
/* oklch */ color: oklch(48.5% 0.138 262.0);

Tailwind

colors: {
  custom: {
    50: '#7988c5',
    500: '#315bac',
    950: '#000000',
  },
}

SCSS

$custom: #315bac;
$custom-light: #7988c5;
$custom-dark: #000000;

JSON

{
  "hex": "#315bac",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 172
  },
  "hsl": {
    "h": 219.512,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48525,
    "c": 0.13803,
    "h": 262
  },
  "luminance": 0.11114
}

Semantic roles & 50–950 ramp

primary

#315BAC

secondary

#C3A976

accent

#AC49DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315BAC

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

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