#4988E9#4988E9

#4988E9 is a light, vivid blue. Relative luminance 0.249; OKLCH L 63.2% C 0.160 H 258.8°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4988E9
RGB	rgb(73, 136, 233)
HSL	hsl(216, 78%, 60%)
HSV	hsv(216, 69%, 91%)
CMYK	cmyk(68.7%, 41.6%, 0%, 8.6%)
CIE-LAB	lab(56.98, 11.05, -55.01)
CIE-LCH	lch(56.98, 56.11, 281.36°)
OKLab	oklab(63.24% -0.031 -0.1571)
OKLCH	oklch(63.24% 0.16 258.8)
XYZ	xyz(26.2545, 24.9053, 80.4985)
Luminance	0.2491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4988E9 #E9AA49

analogous

#49D8E9 #4988E9 #5A49E9

triadic

#4988E9 #E94988 #88E949

tetradic

#4988E9 #E949D8 #E9AA49 #49E95A

square

#4988E9 #E949D8 #E9AA49 #49E95A

split-complementary

#4988E9 #E95A49 #D8E949

monochromatic

#144DA4 #1A66DA #4988E9 #80ACF0 #B6CFF6

Accessibility & contrast

On white

3.51

#4988E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#4988E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4988E9

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4988E9	#FFFFFF	#000000	##000000
##4988E9	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A91ED

Deuteranopia (green-blind)

#4082E7

Tritanopia (blue-blind)

#009EAD

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4988e9;
/* rgb */ color: rgb(73, 136, 233);
/* oklch */ color: oklch(63.2% 0.160 258.8);

Tailwind

colors: {
  custom: {
    50: '#8daaf0',
    500: '#4988e9',
    950: '#000000',
  },
}

SCSS

$custom: #4988e9;
$custom-light: #8daaf0;
$custom-dark: #000000;

JSON

{
  "hex": "#4988e9",
  "rgb": {
    "r": 73,
    "g": 136,
    "b": 233
  },
  "hsl": {
    "h": 216.375,
    "s": 78.431,
    "l": 60
  },
  "oklch": {
    "l": 0.6324,
    "c": 0.16012,
    "h": 258.8
  },
  "luminance": 0.24908
}

Semantic roles & 50–950 ramp

primary

#4988E9

secondary

#E6CDA8

accent

#A933F5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4988E9

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

Preview Lab → · Contrast checker → · Palette generator →