#B1C8EF#B1C8EF

#B1C8EF is a very light, moderate blue. Relative luminance 0.569; OKLCH L 82.9% C 0.060 H 261.0°. Best body text is #000000 at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#B1C8EF
RGB	rgb(177, 200, 239)
HSL	hsl(218, 66%, 82%)
HSV	hsv(218, 26%, 94%)
CMYK	cmyk(25.9%, 16.3%, 0%, 6.3%)
CIE-LAB	lab(80.12, 0.75, -21.81)
CIE-LCH	lch(80.12, 21.83, 271.96°)
OKLab	oklab(82.87% -0.0095 -0.0597)
OKLCH	oklch(82.87% 0.06 261)
XYZ	xyz(54.3614, 56.8859, 89.7605)
Luminance	0.5689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1C8EF #EFD8B1

analogous

#B1E7EF #B1C8EF #B9B1EF

triadic

#B1C8EF #EFB1C8 #C8EFB1

tetradic

#B1C8EF #EFB1E7 #EFD8B1 #B1EFB9

square

#B1C8EF #EFB1E7 #EFD8B1 #B1EFB9

split-complementary

#B1C8EF #EFB9B1 #E7EFB1

monochromatic

#4B80DA #7EA4E5 #B1C8EF #E4ECF9 #E6EDFA

Accessibility & contrast

On white

1.70

#B1C8EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.38

#B1C8EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1C8EF

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1C8EF	#FFFFFF	#000000	##000000
##B1C8EF	1.00	1.70	12.38	12.38
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.38	21.00	1.00	1.00
##000000	12.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBCAF1

Deuteranopia (green-blind)

#B5C4EE

Tritanopia (blue-blind)

#A0D0D5

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #b1c8ef;
/* rgb */ color: rgb(177, 200, 239);
/* oklch */ color: oklch(82.9% 0.060 261.0);

Tailwind

colors: {
  custom: {
    50: '#c9d8f4',
    500: '#b1c8ef',
    950: '#000000',
  },
}

SCSS

$custom: #b1c8ef;
$custom-light: #c9d8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#b1c8ef",
  "rgb": {
    "r": 177,
    "g": 200,
    "b": 239
  },
  "hsl": {
    "h": 217.742,
    "s": 65.957,
    "l": 81.569
  },
  "oklch": {
    "l": 0.82867,
    "c": 0.06048,
    "h": 261
  },
  "luminance": 0.56888
}

Semantic roles & 50–950 ramp

primary

#B1C8EF

secondary

#CDAD77

accent

#8A18CE

background

#FDFEFF

surface

#F9FBFE

border

#D2D4D6

text

#131417

muted

#828385

Preview Lab

Preview with #B1C8EF

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

Preview Lab → · Contrast checker → · Palette generator →