#315EA6#315EA6

#315EA6 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.8% C 0.126 H 259.4°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#315EA6
RGB	rgb(49, 94, 166)
HSL	hsl(217, 54%, 42%)
HSV	hsv(217, 70%, 65%)
CMYK	cmyk(70.5%, 43.4%, 0%, 34.9%)
CIE-LAB	lab(40.26, 9.36, -43.35)
CIE-LCH	lch(40.26, 44.35, 282.18°)
OKLab	oklab(48.79% -0.0231 -0.1239)
OKLCH	oklch(48.79% 0.126 259.4)
XYZ	xyz(12.1498, 11.4103, 37.6311)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EA6 #A67931

analogous

#3199A6 #315EA6 #3E31A6

triadic

#315EA6 #A6315E #5EA631

tetradic

#315EA6 #A63199 #A67931 #31A63E

square

#315EA6 #A63199 #A67931 #31A63E

split-complementary

#315EA6 #A63E31 #99A631

monochromatic

#152847 #234377 #315EA6 #4A7BCA #7A9ED8

Accessibility & contrast

On white

6.40

#315EA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#315EA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EA6

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EA6	#FFFFFF	#000000	##FFFFFF
##315EA6	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B65A9

Deuteranopia (green-blind)

#275AA5

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315ea6;
/* rgb */ color: rgb(49, 94, 166);
/* oklch */ color: oklch(48.8% 0.126 259.4);

Tailwind

colors: {
  custom: {
    50: '#778bc1',
    500: '#315ea6',
    950: '#000000',
  },
}

SCSS

$custom: #315ea6;
$custom-light: #778bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#315ea6",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 166
  },
  "hsl": {
    "h": 216.923,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.48785,
    "c": 0.126,
    "h": 259.4
  },
  "luminance": 0.11412
}

Semantic roles & 50–950 ramp

primary

#315EA6

secondary

#C0A273

accent

#A54ADE

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #315EA6

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

Preview Lab → · Contrast checker → · Palette generator →