#315AAF#315AAF

#315AAF is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.5% C 0.143 H 262.8°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#315AAF
RGB	rgb(49, 90, 175)
HSL	hsl(220, 56%, 44%)
HSV	hsv(220, 72%, 69%)
CMYK	cmyk(72%, 48.6%, 0%, 31.4%)
CIE-LAB	lab(39.68, 15.34, -49.61)
CIE-LCH	lch(39.68, 51.92, 287.18°)
OKLab	oklab(48.52% -0.0179 -0.1423)
OKLCH	oklch(48.52% 0.143 262.8)
XYZ	xyz(12.6579, 11.0591, 42.0167)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315AAF #AF8631

analogous

#3199AF #315AAF #4731AF

triadic

#315AAF #AF315A #5AAF31

tetradic

#315AAF #AF3199 #AF8631 #31AF47

square

#315AAF #AF3199 #AF8631 #31AF47

split-complementary

#315AAF #AF4731 #99AF31

monochromatic

#16294F #24417F #315AAF #4F79CE #7F9DDB

Accessibility & contrast

On white

6.54

#315AAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#315AAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315AAF

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315AAF	#FFFFFF	#000000	##FFFFFF
##315AAF	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B64B2

Deuteranopia (green-blind)

#0558AD

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #315aaf;
/* rgb */ color: rgb(49, 90, 175);
/* oklch */ color: oklch(48.5% 0.143 262.8);

Tailwind

colors: {
  custom: {
    50: '#7988c7',
    500: '#315aaf',
    950: '#000000',
  },
}

SCSS

$custom: #315aaf;
$custom-light: #7988c7;
$custom-dark: #000000;

JSON

{
  "hex": "#315aaf",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 175
  },
  "hsl": {
    "h": 220.476,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48519,
    "c": 0.14345,
    "h": 262.8
  },
  "luminance": 0.1106
}

Semantic roles & 50–950 ramp

primary

#315AAF

secondary

#C4AB78

accent

#AE48E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315AAF

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

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