#4687EF#4687EF

#4687EF is a light, vivid blue. Relative luminance 0.249; OKLCH L 63.3% C 0.170 H 259.4°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#4687EF
RGB	rgb(70, 135, 239)
HSL	hsl(217, 84%, 61%)
HSV	hsv(217, 71%, 94%)
CMYK	cmyk(70.7%, 43.5%, 0%, 6.3%)
CIE-LAB	lab(56.94, 13.34, -58.42)
CIE-LCH	lch(56.94, 59.93, 282.86°)
OKLab	oklab(63.28% -0.0312 -0.1672)
OKLCH	oklch(63.28% 0.17 259.4)
XYZ	xyz(26.7641, 24.8592, 85.0324)
Luminance	0.2486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4687EF #EFAE46

analogous

#46DCEF #4687EF #5946EF

triadic

#4687EF #EF4687 #87EF46

tetradic

#4687EF #EF46DC #EFAE46 #46EF59

square

#4687EF #EF46DC #EFAE46 #46EF59

split-complementary

#4687EF #EF5946 #DCEF46

monochromatic

#0F4BAC #1464E4 #4687EF #7EACF4 #B7D0F9

Accessibility & contrast

On white

3.52

#4687EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#4687EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4687EF

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4687EF	#FFFFFF	#000000	##000000
##4687EF	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5391F3

Deuteranopia (green-blind)

#3481ED

Tritanopia (blue-blind)

#009FAF

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4687ef;
/* rgb */ color: rgb(70, 135, 239);
/* oklch */ color: oklch(63.3% 0.170 259.4);

Tailwind

colors: {
  custom: {
    50: '#8da9f5',
    500: '#4687ef',
    950: '#000000',
  },
}

SCSS

$custom: #4687ef;
$custom-light: #8da9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4687ef",
  "rgb": {
    "r": 70,
    "g": 135,
    "b": 239
  },
  "hsl": {
    "h": 216.923,
    "s": 84.08,
    "l": 60.588
  },
  "oklch": {
    "l": 0.63284,
    "c": 0.17004,
    "h": 259.4
  },
  "luminance": 0.24862
}

Semantic roles & 50–950 ramp

primary

#4687EF

secondary

#E9D0A8

accent

#8C05E1

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4687EF

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

Preview Lab → · Contrast checker → · Palette generator →