#4A90BF#4A90BF

#4A90BF is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.100 H 240.3°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4A90BF
RGB	rgb(74, 144, 191)
HSL	hsl(204, 48%, 52%)
HSV	hsv(204, 61%, 75%)
CMYK	cmyk(61.3%, 24.6%, 0%, 25.1%)
CIE-LAB	lab(57.23, -7.75, -31.03)
CIE-LCH	lch(57.23, 31.98, 255.98°)
OKLab	oklab(62.77% -0.0496 -0.0871)
OKLCH	oklch(62.77% 0.1 240.3)
XYZ	xyz(22.1977, 25.1618, 52.9670)
Luminance	0.2516 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A90BF #BF794A

analogous

#4ABFB4 #4A90BF #4A56BF

triadic

#4A90BF #BF4A90 #90BF4A

tetradic

#4A90BF #B44ABF #BF794A #56BF4A

square

#4A90BF #B44ABF #BF794A #56BF4A

split-complementary

#4A90BF #BF4A56 #BFB44A

monochromatic

#254E69 #356F97 #4A90BF #77ACCF #A4C7DF

Accessibility & contrast

On white

3.48

#4A90BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#4A90BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90BF

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A90BF	#FFFFFF	#000000	##000000
##4A90BF	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B90C1

Deuteranopia (green-blind)

#6B84BE

Tritanopia (blue-blind)

#009CA0

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4a90bf;
/* rgb */ color: rgb(74, 144, 191);
/* oklch */ color: oklch(62.8% 0.100 240.3);

Tailwind

colors: {
  custom: {
    50: '#87b0d2',
    500: '#4a90bf',
    950: '#000000',
  },
}

SCSS

$custom: #4a90bf;
$custom-light: #87b0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4a90bf",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 191
  },
  "hsl": {
    "h": 204.103,
    "s": 47.755,
    "l": 51.961
  },
  "oklch": {
    "l": 0.62771,
    "c": 0.10021,
    "h": 240.3
  },
  "luminance": 0.25164
}

Semantic roles & 50–950 ramp

primary

#4A90BF

secondary

#CCAD99

accent

#8750D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4A90BF

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

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