#315AA9#315AA9

#315AA9 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.135 H 262.0°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#315AA9
RGB	rgb(49, 90, 169)
HSL	hsl(220, 55%, 43%)
HSV	hsv(220, 71%, 66%)
CMYK	cmyk(71%, 46.7%, 0%, 33.7%)
CIE-LAB	lab(39.29, 13.08, -46.69)
CIE-LCH	lch(39.29, 48.48, 285.65°)
OKLab	oklab(48.1% -0.0188 -0.1337)
OKLCH	oklch(48.1% 0.135 262)
XYZ	xyz(12.0817, 10.8286, 38.9818)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315AA9 #A98031

analogous

#3196A9 #315AA9 #4431A9

triadic

#315AA9 #A9315A #5AA931

tetradic

#315AA9 #A93196 #A98031 #31A944

square

#315AA9 #A93196 #A98031 #31A944

split-complementary

#315AA9 #A94431 #96A931

monochromatic

#15274A #23417A #315AA9 #4C77CB #7C9BD9

Accessibility & contrast

On white

6.63

#315AA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#315AA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315AA9

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315AA9	#FFFFFF	#000000	##FFFFFF
##315AA9	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3162AC

Deuteranopia (green-blind)

#1757A7

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #315aa9;
/* rgb */ color: rgb(49, 90, 169);
/* oklch */ color: oklch(48.1% 0.135 262.0);

Tailwind

colors: {
  custom: {
    50: '#7888c3',
    500: '#315aa9',
    950: '#000000',
  },
}

SCSS

$custom: #315aa9;
$custom-light: #7888c3;
$custom-dark: #000000;

JSON

{
  "hex": "#315aa9",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 169
  },
  "hsl": {
    "h": 219.5,
    "s": 55.046,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48095,
    "c": 0.13505,
    "h": 262
  },
  "luminance": 0.1083
}

Semantic roles & 50–950 ramp

primary

#315AA9

secondary

#C1A774

accent

#AB49DE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #315AA9

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

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