#91C9EF#91C9EF

#91C9EF is a light, moderate cyan. Relative luminance 0.540; OKLCH L 81.1% C 0.079 H 238.7°. Best body text is #000000 at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#91C9EF
RGB	rgb(145, 201, 239)
HSL	hsl(204, 75%, 75%)
HSV	hsv(204, 39%, 94%)
CMYK	cmyk(39.3%, 15.9%, 0%, 6.3%)
CIE-LAB	lab(78.47, -8.66, -24.49)
CIE-LCH	lch(78.47, 25.97, 250.52°)
OKLab	oklab(81.08% -0.0411 -0.0676)
OKLCH	oklch(81.08% 0.079 238.7)
XYZ	xyz(48.1385, 54.0221, 89.5354)
Luminance	0.5403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91C9EF #EFB791

analogous

#91EFE6 #91C9EF #919AEF

triadic

#91C9EF #EF91C9 #C9EF91

tetradic

#91C9EF #E691EF #EFB791 #9AEF91

square

#91C9EF #E691EF #EFB791 #9AEF91

split-complementary

#91C9EF #EF919A #EFE691

monochromatic

#2695DF #5CAFE7 #91C9EF #C6E3F7 #E4F2FB

Accessibility & contrast

On white

1.78

#91C9EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.81

#91C9EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91C9EF

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91C9EF	#FFFFFF	#000000	##000000
##91C9EF	1.00	1.78	11.81	11.81
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.81	21.00	1.00	1.00
##000000	11.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8C8F1

Deuteranopia (green-blind)

#ACBEEE

Tritanopia (blue-blind)

#6ED3D5

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #91c9ef;
/* rgb */ color: rgb(145, 201, 239);
/* oklch */ color: oklch(81.1% 0.079 238.7);

Tailwind

colors: {
  custom: {
    50: '#b4d9f4',
    500: '#91c9ef',
    950: '#000000',
  },
}

SCSS

$custom: #91c9ef;
$custom-light: #b4d9f4;
$custom-dark: #000000;

JSON

{
  "hex": "#91c9ef",
  "rgb": {
    "r": 145,
    "g": 201,
    "b": 239
  },
  "hsl": {
    "h": 204.255,
    "s": 74.603,
    "l": 75.294
  },
  "oklch": {
    "l": 0.8108,
    "c": 0.07913,
    "h": 238.7
  },
  "luminance": 0.54025
}

Semantic roles & 50–950 ramp

primary

#91C9EF

secondary

#CB8759

accent

#600FD7

background

#FDFEFF

surface

#F8FBFE

border

#D1D4D6

text

#111417

muted

#818385

Preview Lab

Preview with #91C9EF

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

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