#4A90BB#4A90BB

#4A90BB is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.6% C 0.096 H 237.9°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#4A90BB
RGB	rgb(74, 144, 187)
HSL	hsl(203, 45%, 51%)
HSV	hsv(203, 60%, 73%)
CMYK	cmyk(60.4%, 23%, 0%, 26.7%)
CIE-LAB	lab(57.06, -9.04, -29.02)
CIE-LCH	lch(57.06, 30.40, 252.70°)
OKLab	oklab(62.58% -0.0509 -0.0813)
OKLCH	oklch(62.58% 0.096 237.9)
XYZ	xyz(21.7636, 24.9881, 50.6803)
Luminance	0.2499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A90BB #BB754A

analogous

#4ABBAD #4A90BB #4A57BB

triadic

#4A90BB #BB4A90 #90BB4A

tetradic

#4A90BB #AD4ABB #BB754A #57BB4A

square

#4A90BB #AD4ABB #BB754A #57BB4A

split-complementary

#4A90BB #BB4A57 #BBAD4A

monochromatic

#264D65 #376F91 #4A90BB #76ABCC #A3C7DC

Accessibility & contrast

On white

3.50

#4A90BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.00

#4A90BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90BB

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A90BB	#FFFFFF	#000000	##000000
##4A90BB	1.00	3.50	6.00	6.00
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.00	21.00	1.00	1.00
##000000	6.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8FBD

Deuteranopia (green-blind)

#6D84BA

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4a90bb;
/* rgb */ color: rgb(74, 144, 187);
/* oklch */ color: oklch(62.6% 0.096 237.9);

Tailwind

colors: {
  custom: {
    50: '#86b0cf',
    500: '#4a90bb',
    950: '#000000',
  },
}

SCSS

$custom: #4a90bb;
$custom-light: #86b0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4a90bb",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 187
  },
  "hsl": {
    "h": 202.832,
    "s": 45.382,
    "l": 51.176
  },
  "oklch": {
    "l": 0.62581,
    "c": 0.09595,
    "h": 237.9
  },
  "luminance": 0.2499
}

Semantic roles & 50–950 ramp

primary

#4A90BB

secondary

#C9AA97

accent

#8453D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4A90BB

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

Preview Lab → · Contrast checker → · Palette generator →