#4E90BA#4E90BA

#4E90BA is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.7% C 0.093 H 238.6°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#4E90BA
RGB	rgb(78, 144, 186)
HSL	hsl(203, 44%, 52%)
HSV	hsv(203, 58%, 73%)
CMYK	cmyk(58.1%, 22.6%, 0%, 27.1%)
CIE-LAB	lab(57.18, -8.56, -28.26)
CIE-LCH	lch(57.18, 29.53, 253.15°)
OKLab	oklab(62.71% -0.0483 -0.0791)
OKLCH	oklch(62.71% 0.093 238.6)
XYZ	xyz(21.9748, 25.1094, 50.1334)
Luminance	0.2511 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90BA #BA784E

analogous

#4EBAAE #4E90BA #4E5ABA

triadic

#4E90BA #BA4E90 #90BA4E

tetradic

#4E90BA #AE4EBA #BA784E #5ABA4E

square

#4E90BA #AE4EBA #BA784E #5ABA4E

split-complementary

#4E90BA #BA4E5A #BAAE4E

monochromatic

#284E66 #396F92 #4E90BA #7AACCB #A6C7DC

Accessibility & contrast

On white

3.49

#4E90BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#4E90BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90BA

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90BA	#FFFFFF	#000000	##000000
##4E90BA	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)

#7D8FBC

Deuteranopia (green-blind)

#6E84B9

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4e90ba;
/* rgb */ color: rgb(78, 144, 186);
/* oklch */ color: oklch(62.7% 0.093 238.6);

Tailwind

colors: {
  custom: {
    50: '#88b0cf',
    500: '#4e90ba',
    950: '#000000',
  },
}

SCSS

$custom: #4e90ba;
$custom-light: #88b0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90ba",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 186
  },
  "hsl": {
    "h": 203.333,
    "s": 43.902,
    "l": 51.765
  },
  "oklch": {
    "l": 0.62705,
    "c": 0.09268,
    "h": 238.6
  },
  "luminance": 0.25111
}

Semantic roles & 50–950 ramp

primary

#4E90BA

secondary

#CAAD9A

accent

#8654D4

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #4E90BA

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

Preview Lab → · Contrast checker → · Palette generator →