#4E90EB#4E90EB

#4E90EB is a light, vivid cyan. Relative luminance 0.276; OKLCH L 65.3% C 0.152 H 256.9°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#4E90EB
RGB	rgb(78, 144, 235)
HSL	hsl(215, 80%, 61%)
HSV	hsv(215, 67%, 92%)
CMYK	cmyk(66.8%, 38.7%, 0%, 7.8%)
CIE-LAB	lab(59.49, 7.72, -52.12)
CIE-LCH	lch(59.49, 52.68, 278.42°)
OKLab	oklab(65.27% -0.0344 -0.1484)
OKLCH	oklch(65.27% 0.152 256.9)
XYZ	xyz(28.1051, 27.5615, 82.4199)
Luminance	0.2756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90EB #EBA94E

analogous

#4EDFEB #4E90EB #5B4EEB

triadic

#4E90EB #EB4E90 #90EB4E

tetradic

#4E90EB #EB4EDF #EBA94E #4EEB5B

square

#4E90EB #EB4EDF #EBA94E #4EEB5B

split-complementary

#4E90EB #EB5B4E #DFEB4E

monochromatic

#1353AB #1A6EE2 #4E90EB #85B2F1 #BCD5F7

Accessibility & contrast

On white

3.22

#4E90EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#4E90EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90EB

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90EB	#FFFFFF	#000000	##000000
##4E90EB	1.00	3.22	6.51	6.51
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6797EF

Deuteranopia (green-blind)

#4F89E9

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4e90eb;
/* rgb */ color: rgb(78, 144, 235);
/* oklch */ color: oklch(65.3% 0.152 256.9);

Tailwind

colors: {
  custom: {
    50: '#8fb0f2',
    500: '#4e90eb',
    950: '#000000',
  },
}

SCSS

$custom: #4e90eb;
$custom-light: #8fb0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90eb",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 235
  },
  "hsl": {
    "h": 214.777,
    "s": 79.695,
    "l": 61.373
  },
  "oklch": {
    "l": 0.65274,
    "c": 0.15234,
    "h": 256.9
  },
  "luminance": 0.27564
}

Semantic roles & 50–950 ramp

primary

#4E90EB

secondary

#E8CFAD

accent

#8409DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4E90EB

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

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