#4D90BB#4D90BB

#4D90BB is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.7% C 0.094 H 238.9°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4D90BB
RGB	rgb(77, 144, 187)
HSL	hsl(203, 45%, 52%)
HSV	hsv(203, 59%, 73%)
CMYK	cmyk(58.8%, 23%, 0%, 26.7%)
CIE-LAB	lab(57.18, -8.45, -28.83)
CIE-LCH	lch(57.18, 30.04, 253.67°)
OKLab	oklab(62.71% -0.0487 -0.0807)
OKLCH	oklch(62.71% 0.094 238.9)
XYZ	xyz(22.0001, 25.1101, 50.6914)
Luminance	0.2511 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D90BB #BB784D

analogous

#4DBBAF #4D90BB #4D59BB

triadic

#4D90BB #BB4D90 #90BB4D

tetradic

#4D90BB #AF4DBB #BB784D #59BB4D

square

#4D90BB #AF4DBB #BB784D #59BB4D

split-complementary

#4D90BB #BB4D59 #BBAF4D

monochromatic

#274E66 #386F93 #4D90BB #79ACCC #A6C7DD

Accessibility & contrast

On white

3.49

#4D90BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#4D90BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90BB

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D90BB	#FFFFFF	#000000	##000000
##4D90BB	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C90BD

Deuteranopia (green-blind)

#6D84BA

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4d90bb;
/* rgb */ color: rgb(77, 144, 187);
/* oklch */ color: oklch(62.7% 0.094 238.9);

Tailwind

colors: {
  custom: {
    50: '#88b0cf',
    500: '#4d90bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d90bb;
$custom-light: #88b0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4d90bb",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 187
  },
  "hsl": {
    "h": 203.455,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.62708,
    "c": 0.09429,
    "h": 238.9
  },
  "luminance": 0.25112
}

Semantic roles & 50–950 ramp

primary

#4D90BB

secondary

#CAAD9A

accent

#8653D4

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4D90BB

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

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