#4090BC#4090BC

#4090BC is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.2% C 0.102 H 235.8°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#4090BC
RGB	rgb(64, 144, 188)
HSL	hsl(201, 49%, 49%)
HSV	hsv(201, 66%, 74%)
CMYK	cmyk(66%, 23.4%, 0%, 26.3%)
CIE-LAB	lab(56.75, -10.52, -30.11)
CIE-LCH	lch(56.75, 31.90, 250.73°)
OKLab	oklab(62.24% -0.0574 -0.0845)
OKLCH	oklch(62.24% 0.102 235.8)
XYZ	xyz(21.1612, 24.6651, 51.2128)
Luminance	0.2467 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4090BC #BC6C40

analogous

#40BCAA #4090BC #4052BC

triadic

#4090BC #BC4090 #90BC40

tetradic

#4090BC #AA40BC #BC6C40 #52BC40

square

#4090BC #AA40BC #BC6C40 #52BC40

split-complementary

#4090BC #BC4052 #BCAA40

monochromatic

#214A61 #306D8E #4090BC #6CABCD #9AC5DD

Accessibility & contrast

On white

3.54

#4090BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#4090BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4090BC

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4090BC	#FFFFFF	#000000	##000000
##4090BC	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8FBE

Deuteranopia (green-blind)

#6A83BB

Tritanopia (blue-blind)

#009B9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4090bc;
/* rgb */ color: rgb(64, 144, 188);
/* oklch */ color: oklch(62.2% 0.102 235.8);

Tailwind

colors: {
  custom: {
    50: '#82b0d0',
    500: '#4090bc',
    950: '#000000',
  },
}

SCSS

$custom: #4090bc;
$custom-light: #82b0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4090bc",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 188
  },
  "hsl": {
    "h": 201.29,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.62244,
    "c": 0.10217,
    "h": 235.8
  },
  "luminance": 0.24667
}

Semantic roles & 50–950 ramp

primary

#4090BC

secondary

#C9A48F

accent

#804FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4090BC

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

Preview Lab → · Contrast checker → · Palette generator →