#4E90B9#4E90B9

#4E90B9 is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.7% C 0.092 H 237.9°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4E90B9
RGB	rgb(78, 144, 185)
HSL	hsl(203, 43%, 52%)
HSV	hsv(203, 58%, 73%)
CMYK	cmyk(57.8%, 22.2%, 0%, 27.5%)
CIE-LAB	lab(57.14, -8.88, -27.76)
CIE-LCH	lch(57.14, 29.14, 252.26°)
OKLab	oklab(62.66% -0.0487 -0.0776)
OKLCH	oklch(62.66% 0.092 237.9)
XYZ	xyz(21.8688, 25.0670, 49.5755)
Luminance	0.2507 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90B9 #B9774E

analogous

#4EB9AD #4E90B9 #4E5BB9

triadic

#4E90B9 #B94E90 #90B94E

tetradic

#4E90B9 #AD4EB9 #B9774E #5BB94E

square

#4E90B9 #AD4EB9 #B9774E #5BB94E

split-complementary

#4E90B9 #B94E5B #B9AD4E

monochromatic

#284D65 #396F91 #4E90B9 #7AACCA #A6C7DC

Accessibility & contrast

On white

3.49

#4E90B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#4E90B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90B9

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90B9	#FFFFFF	#000000	##000000
##4E90B9	1.00	3.49	6.01	6.01
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8FBB

Deuteranopia (green-blind)

#6E84B8

Tritanopia (blue-blind)

#009A9E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4e90b9;
/* rgb */ color: rgb(78, 144, 185);
/* oklch */ color: oklch(62.7% 0.092 237.9);

Tailwind

colors: {
  custom: {
    50: '#88b0ce',
    500: '#4e90b9',
    950: '#000000',
  },
}

SCSS

$custom: #4e90b9;
$custom-light: #88b0ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90b9",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 185
  },
  "hsl": {
    "h": 202.991,
    "s": 43.32,
    "l": 51.569
  },
  "oklch": {
    "l": 0.62659,
    "c": 0.09163,
    "h": 237.9
  },
  "luminance": 0.25069
}

Semantic roles & 50–950 ramp

primary

#4E90B9

secondary

#C9AC9A

accent

#8555D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4E90B9

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

Preview Lab → · Contrast checker → · Palette generator →