#315AB2#315AB2

#315AB2 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.7% C 0.148 H 263.2°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#315AB2
RGB	rgb(49, 90, 178)
HSL	hsl(221, 57%, 45%)
HSV	hsv(221, 72%, 70%)
CMYK	cmyk(72.5%, 49.4%, 0%, 30.2%)
CIE-LAB	lab(39.88, 16.46, -51.05)
CIE-LCH	lch(39.88, 53.64, 287.87°)
OKLab	oklab(48.74% -0.0174 -0.1466)
OKLCH	oklch(48.74% 0.148 263.2)
XYZ	xyz(12.9558, 11.1783, 43.5857)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315AB2 #B28931

analogous

#319BB2 #315AB2 #4831B2

triadic

#315AB2 #B2315A #5AB231

tetradic

#315AB2 #B2319B #B28931 #31B248

square

#315AB2 #B2319B #B28931 #31B248

split-complementary

#315AB2 #B24831 #9BB231

monochromatic

#172952 #244282 #315AB2 #5179CF #819EDC

Accessibility & contrast

On white

6.49

#315AB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#315AB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315AB2

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315AB2	#FFFFFF	#000000	##FFFFFF
##315AB2	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2864B5

Deuteranopia (green-blind)

#0058B0

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #315ab2;
/* rgb */ color: rgb(49, 90, 178);
/* oklch */ color: oklch(48.7% 0.148 263.2);

Tailwind

colors: {
  custom: {
    50: '#7a88ca',
    500: '#315ab2',
    950: '#000000',
  },
}

SCSS

$custom: #315ab2;
$custom-light: #7a88ca;
$custom-dark: #000000;

JSON

{
  "hex": "#315ab2",
  "rgb": {
    "r": 49,
    "g": 90,
    "b": 178
  },
  "hsl": {
    "h": 220.93,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48735,
    "c": 0.14762,
    "h": 263.2
  },
  "luminance": 0.1118
}

Semantic roles & 50–950 ramp

primary

#315AB2

secondary

#C5AD79

accent

#B048E0

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #315AB2

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

Preview Lab → · Contrast checker → · Palette generator →