#315EA9#315EA9

#315EA9 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.0% C 0.130 H 260.0°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#315EA9
RGB	rgb(49, 94, 169)
HSL	hsl(218, 55%, 43%)
HSV	hsv(218, 71%, 66%)
CMYK	cmyk(71%, 44.4%, 0%, 33.7%)
CIE-LAB	lab(40.45, 10.48, -44.83)
CIE-LCH	lch(40.45, 46.04, 283.16°)
OKLab	oklab(48.99% -0.0225 -0.1282)
OKLCH	oklch(48.99% 0.13 260)
XYZ	xyz(12.4282, 11.5216, 39.0973)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315EA9 #A97C31

analogous

#319AA9 #315EA9 #4031A9

triadic

#315EA9 #A9315E #5EA931

tetradic

#315EA9 #A9319A #A97C31 #31A940

square

#315EA9 #A9319A #A97C31 #31A940

split-complementary

#315EA9 #A94031 #9AA931

monochromatic

#15294A #23447A #315EA9 #4C7CCB #7C9FD9

Accessibility & contrast

On white

6.35

#315EA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#315EA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315EA9

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315EA9	#FFFFFF	#000000	##FFFFFF
##315EA9	1.00	6.35	3.30	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3965AC

Deuteranopia (green-blind)

#235AA7

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #315ea9;
/* rgb */ color: rgb(49, 94, 169);
/* oklch */ color: oklch(49.0% 0.130 260.0);

Tailwind

colors: {
  custom: {
    50: '#788bc3',
    500: '#315ea9',
    950: '#000000',
  },
}

SCSS

$custom: #315ea9;
$custom-light: #788bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#315ea9",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 169
  },
  "hsl": {
    "h": 217.5,
    "s": 55.046,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48985,
    "c": 0.13019,
    "h": 260
  },
  "luminance": 0.11523
}

Semantic roles & 50–950 ramp

primary

#315EA9

secondary

#C1A574

accent

#A749DE

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #315EA9

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

Preview Lab → · Contrast checker → · Palette generator →