#A1B5F9#A1B5F9

#A1B5F9 is a light, moderate blue. Relative luminance 0.475; OKLCH L 78.3% C 0.100 H 271.3°. Best body text is #000000 at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#A1B5F9
RGB	rgb(161, 181, 249)
HSL	hsl(226, 88%, 80%)
HSV	hsv(226, 35%, 98%)
CMYK	cmyk(35.3%, 27.3%, 0%, 2.4%)
CIE-LAB	lab(74.48, 9.02, -35.92)
CIE-LCH	lch(74.48, 37.03, 284.10°)
OKLab	oklab(78.32% 0.0024 -0.0998)
OKLCH	oklch(78.32% 0.1 271.3)
XYZ	xyz(48.3157, 47.4624, 96.2196)
Luminance	0.4746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1B5F9 #F9E5A1

analogous

#A1E1F9 #A1B5F9 #B9A1F9

triadic

#A1B5F9 #F9A1B5 #B5F9A1

tetradic

#A1B5F9 #F9A1E1 #F9E5A1 #A1F9B9

square

#A1B5F9 #F9A1E1 #F9E5A1 #A1F9B9

split-complementary

#A1B5F9 #F9B9A1 #E1F9A1

monochromatic

#2E5AF2 #6788F5 #A1B5F9 #DBE2FD #E2E8FD

Accessibility & contrast

On white

2.00

#A1B5F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.49

#A1B5F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1B5F9

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1B5F9	#FFFFFF	#000000	##000000
##A1B5F9	1.00	2.00	10.49	10.49
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.49	21.00	1.00	1.00
##000000	10.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FBBFC

Deuteranopia (green-blind)

#98B4F7

Tritanopia (blue-blind)

#87C2CD

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #a1b5f9;
/* rgb */ color: rgb(161, 181, 249);
/* oklch */ color: oklch(78.3% 0.100 271.3);

Tailwind

colors: {
  custom: {
    50: '#bfcbfb',
    500: '#a1b5f9',
    950: '#000000',
  },
}

SCSS

$custom: #a1b5f9;
$custom-light: #bfcbfb;
$custom-dark: #000000;

JSON

{
  "hex": "#a1b5f9",
  "rgb": {
    "r": 161,
    "g": 181,
    "b": 249
  },
  "hsl": {
    "h": 226.364,
    "s": 88,
    "l": 80.392
  },
  "oklch": {
    "l": 0.78321,
    "c": 0.09988,
    "h": 271.3
  },
  "luminance": 0.47464
}

Semantic roles & 50–950 ramp

primary

#A1B5F9

secondary

#F5EED6

accent

#B101E5

background

#FBFCFF

surface

#F7F8FF

border

#D0D1D7

text

#121317

muted

#818285

Preview Lab

Preview with #A1B5F9

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

Preview Lab → · Contrast checker → · Palette generator →