#4FA5DB#4FA5DB

#4FA5DB is a light, moderate cyan. Relative luminance 0.337; OKLCH L 69.1% C 0.115 H 239.0°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#4FA5DB
RGB	rgb(79, 165, 219)
HSL	hsl(203, 66%, 58%)
HSV	hsv(203, 64%, 86%)
CMYK	cmyk(63.9%, 24.7%, 0%, 14.1%)
CIE-LAB	lab(64.71, -9.51, -35.05)
CIE-LCH	lch(64.71, 36.32, 254.82°)
OKLab	oklab(69.14% -0.0591 -0.0985)
OKLCH	oklch(69.14% 0.115 239)
XYZ	xyz(29.4609, 33.6840, 71.9532)
Luminance	0.3369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA5DB #DB854F

analogous

#4FDBCB #4FA5DB #4F5FDB

triadic

#4FA5DB #DB4FA5 #A5DB4F

tetradic

#4FA5DB #CB4FDB #DB854F #5FDB4F

square

#4FA5DB #CB4FDB #DB854F #5FDB4F

split-complementary

#4FA5DB #DB4F5F #DBCB4F

monochromatic

#1E6592 #2888C5 #4FA5DB #82BFE5 #B5D9F0

Accessibility & contrast

On white

2.71

#4FA5DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#4FA5DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FA5DB

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA5DB	#FFFFFF	#000000	##000000
##4FA5DB	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CA5DE

Deuteranopia (green-blind)

#7997DA

Tritanopia (blue-blind)

#00B3B7

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #4fa5db;
/* rgb */ color: rgb(79, 165, 219);
/* oklch */ color: oklch(69.1% 0.115 239.0);

Tailwind

colors: {
  custom: {
    50: '#8ebfe6',
    500: '#4fa5db',
    950: '#000000',
  },
}

SCSS

$custom: #4fa5db;
$custom-light: #8ebfe6;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa5db",
  "rgb": {
    "r": 79,
    "g": 165,
    "b": 219
  },
  "hsl": {
    "h": 203.143,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.69138,
    "c": 0.11484,
    "h": 239
  },
  "luminance": 0.33687
}

Semantic roles & 50–950 ramp

primary

#4FA5DB

secondary

#DFBDA7

accent

#803FE9

background

#F9FBFE

surface

#F2F7FC

border

#CCD0D5

text

#0D1216

muted

#7E8184

Preview Lab

Preview with #4FA5DB

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

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