#4D90BF#4D90BF

#4D90BF is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.9% C 0.099 H 241.3°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#4D90BF
RGB	rgb(77, 144, 191)
HSL	hsl(205, 47%, 53%)
HSV	hsv(205, 60%, 75%)
CMYK	cmyk(59.7%, 24.6%, 0%, 25.1%)
CIE-LAB	lab(57.35, -7.17, -30.84)
CIE-LCH	lch(57.35, 31.66, 256.92°)
OKLab	oklab(62.9% -0.0474 -0.0865)
OKLCH	oklch(62.9% 0.099 241.3)
XYZ	xyz(22.4343, 25.2838, 52.9781)
Luminance	0.2529 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D90BF #BF7C4D

analogous

#4DBFB5 #4D90BF #4D57BF

triadic

#4D90BF #BF4D90 #90BF4D

tetradic

#4D90BF #B54DBF #BF7C4D #57BF4D

square

#4D90BF #B54DBF #BF7C4D #57BF4D

split-complementary

#4D90BF #BF4D57 #BFB54D

monochromatic

#274F6B #377098 #4D90BF #7AACCF #A7C8DF

Accessibility & contrast

On white

3.47

#4D90BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#4D90BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90BF

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D90BF	#FFFFFF	#000000	##000000
##4D90BF	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B90C1

Deuteranopia (green-blind)

#6C85BE

Tritanopia (blue-blind)

#009CA0

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4d90bf;
/* rgb */ color: rgb(77, 144, 191);
/* oklch */ color: oklch(62.9% 0.099 241.3);

Tailwind

colors: {
  custom: {
    50: '#88b0d2',
    500: '#4d90bf',
    950: '#000000',
  },
}

SCSS

$custom: #4d90bf;
$custom-light: #88b0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d90bf",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 191
  },
  "hsl": {
    "h": 204.737,
    "s": 47.107,
    "l": 52.549
  },
  "oklch": {
    "l": 0.62897,
    "c": 0.09862,
    "h": 241.3
  },
  "luminance": 0.25286
}

Semantic roles & 50–950 ramp

primary

#4D90BF

secondary

#CDB09B

accent

#8851D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4D90BF

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

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