#4F88DF#4F88DF

#4F88DF is a light, vivid blue. Relative luminance 0.246; OKLCH L 62.9% C 0.145 H 258.6°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#4F88DF
RGB	rgb(79, 136, 223)
HSL	hsl(216, 69%, 59%)
HSV	hsv(216, 65%, 87%)
CMYK	cmyk(64.6%, 39%, 0%, 12.5%)
CIE-LAB	lab(56.68, 8.54, -49.90)
CIE-LCH	lch(56.68, 50.63, 279.72°)
OKLab	oklab(62.89% -0.0286 -0.142)
OKLCH	oklch(62.89% 0.145 258.6)
XYZ	xyz(25.3431, 24.5958, 73.2096)
Luminance	0.2460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F88DF #DFA64F

analogous

#4FD0DF #4F88DF #5E4FDF

triadic

#4F88DF #DF4F88 #88DF4F

tetradic

#4F88DF #DF4FD0 #DFA64F #4FDF5E

square

#4F88DF #DF4FD0 #DFA64F #4FDF5E

split-complementary

#4F88DF #DF5E4F #D0DF4F

monochromatic

#1C4D98 #2567CC #4F88DF #83ABE8 #B7CEF2

Accessibility & contrast

On white

3.55

#4F88DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#4F88DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F88DF

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F88DF	#FFFFFF	#000000	##000000
##4F88DF	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#618FE2

Deuteranopia (green-blind)

#4C82DD

Tritanopia (blue-blind)

#009CA9

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4f88df;
/* rgb */ color: rgb(79, 136, 223);
/* oklch */ color: oklch(62.9% 0.145 258.6);

Tailwind

colors: {
  custom: {
    50: '#8eaae9',
    500: '#4f88df',
    950: '#000000',
  },
}

SCSS

$custom: #4f88df;
$custom-light: #8eaae9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f88df",
  "rgb": {
    "r": 79,
    "g": 136,
    "b": 223
  },
  "hsl": {
    "h": 216.25,
    "s": 69.231,
    "l": 59.216
  },
  "oklch": {
    "l": 0.62894,
    "c": 0.14484,
    "h": 258.6
  },
  "luminance": 0.24598
}

Semantic roles & 50–950 ramp

primary

#4F88DF

secondary

#E1CBA9

accent

#A63CEC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4F88DF

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

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