#4E91BF#4E91BF

#4E91BF is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.2% C 0.097 H 240.7°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#4E91BF
RGB	rgb(78, 145, 191)
HSL	hsl(204, 47%, 53%)
HSV	hsv(204, 59%, 75%)
CMYK	cmyk(59.2%, 24.1%, 0%, 25.1%)
CIE-LAB	lab(57.68, -7.53, -30.32)
CIE-LCH	lch(57.68, 31.24, 256.04°)
OKLab	oklab(63.17% -0.0477 -0.085)
OKLCH	oklch(63.17% 0.097 240.7)
XYZ	xyz(22.6678, 25.6300, 53.0326)
Luminance	0.2563 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E91BF #BF7C4E

analogous

#4EBFB5 #4E91BF #4E58BF

triadic

#4E91BF #BF4E91 #91BF4E

tetradic

#4E91BF #B54EBF #BF7C4E #58BF4E

square

#4E91BF #B54EBF #BF7C4E #58BF4E

split-complementary

#4E91BF #BF4E58 #BFB54E

monochromatic

#27506C #377199 #4E91BF #7BADCF #A8C9E0

Accessibility & contrast

On white

3.43

#4E91BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#4E91BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E91BF

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E91BF	#FFFFFF	#000000	##000000
##4E91BF	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C91C1

Deuteranopia (green-blind)

#6D85BE

Tritanopia (blue-blind)

#009CA1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4e91bf;
/* rgb */ color: rgb(78, 145, 191);
/* oklch */ color: oklch(63.2% 0.097 240.7);

Tailwind

colors: {
  custom: {
    50: '#89b1d2',
    500: '#4e91bf',
    950: '#000000',
  },
}

SCSS

$custom: #4e91bf;
$custom-light: #89b1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4e91bf",
  "rgb": {
    "r": 78,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 204.425,
    "s": 46.888,
    "l": 52.745
  },
  "oklch": {
    "l": 0.63172,
    "c": 0.09746,
    "h": 240.7
  },
  "luminance": 0.25632
}

Semantic roles & 50–950 ramp

primary

#4E91BF

secondary

#CDB09C

accent

#8851D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4E91BF

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

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