#315BA3#315BA3

#315BA3 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 47.9% C 0.125 H 260.4°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#315BA3
RGB	rgb(49, 91, 163)
HSL	hsl(218, 54%, 42%)
HSV	hsv(218, 70%, 64%)
CMYK	cmyk(69.9%, 44.2%, 0%, 36.1%)
CIE-LAB	lab(39.20, 10.18, -43.26)
CIE-LCH	lch(39.20, 44.44, 283.24°)
OKLab	oklab(47.91% -0.0208 -0.1236)
OKLCH	oklch(47.91% 0.125 260.4)
XYZ	xyz(11.6162, 10.7783, 36.1115)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315BA3 #A37931

analogous

#3194A3 #315BA3 #4031A3

triadic

#315BA3 #A3315B #5BA331

tetradic

#315BA3 #A33194 #A37931 #31A340

square

#315BA3 #A33194 #A37931 #31A340

split-complementary

#315BA3 #A34031 #94A331

monochromatic

#152645 #234174 #315BA3 #4978C8 #789BD6

Accessibility & contrast

On white

6.65

#315BA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#315BA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315BA3

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315BA3	#FFFFFF	#000000	##FFFFFF
##315BA3	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3862A6

Deuteranopia (green-blind)

#2457A2

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #315ba3;
/* rgb */ color: rgb(49, 91, 163);
/* oklch */ color: oklch(47.9% 0.125 260.4);

Tailwind

colors: {
  custom: {
    50: '#7788bf',
    500: '#315ba3',
    950: '#000000',
  },
}

SCSS

$custom: #315ba3;
$custom-light: #7788bf;
$custom-dark: #000000;

JSON

{
  "hex": "#315ba3",
  "rgb": {
    "r": 49,
    "g": 91,
    "b": 163
  },
  "hsl": {
    "h": 217.895,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47908,
    "c": 0.12538,
    "h": 260.4
  },
  "luminance": 0.10779
}

Semantic roles & 50–950 ramp

primary

#315BA3

secondary

#BFA271

accent

#A74BDD

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #315BA3

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

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