#315EA7#315EA7

#315EA7 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.127 H 259.6°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#315EA7
RGB	rgb(49, 94, 167)
HSL	hsl(217, 55%, 42%)
HSV	hsv(217, 71%, 65%)
CMYK	cmyk(70.7%, 43.7%, 0%, 34.5%)
CIE-LAB	lab(40.32, 9.73, -43.85)
CIE-LCH	lch(40.32, 44.91, 282.52°)
OKLab	oklab(48.85% -0.0229 -0.1253)
OKLCH	oklch(48.85% 0.127 259.6)
XYZ	xyz(12.2419, 11.4471, 38.1161)
Luminance	0.1145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EA7 #A77A31

analogous

#3199A7 #315EA7 #3F31A7

triadic

#315EA7 #A7315E #5EA731

tetradic

#315EA7 #A73199 #A77A31 #31A73F

square

#315EA7 #A73199 #A77A31 #31A73F

split-complementary

#315EA7 #A73F31 #99A731

monochromatic

#152948 #234378 #315EA7 #4B7CCA #7A9ED8

Accessibility & contrast

On white

6.38

#315EA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#315EA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EA7

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EA7	#FFFFFF	#000000	##FFFFFF
##315EA7	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)

#3B65AA

Deuteranopia (green-blind)

#265AA6

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315ea7;
/* rgb */ color: rgb(49, 94, 167);
/* oklch */ color: oklch(48.9% 0.127 259.6);

Tailwind

colors: {
  custom: {
    50: '#778bc1',
    500: '#315ea7',
    950: '#000000',
  },
}

SCSS

$custom: #315ea7;
$custom-light: #778bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#315ea7",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 167
  },
  "hsl": {
    "h": 217.119,
    "s": 54.63,
    "l": 42.353
  },
  "oklch": {
    "l": 0.48851,
    "c": 0.1274,
    "h": 259.6
  },
  "luminance": 0.11448
}

Semantic roles & 50–950 ramp

primary

#315EA7

secondary

#C1A373

accent

#A54ADE

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #315EA7

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

Preview Lab → · Contrast checker → · Palette generator →