#4F9BCB#4F9BCB

#4F9BCB is a light, moderate cyan. Relative luminance 0.294; OKLCH L 66.1% C 0.104 H 238.8°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#4F9BCB
RGB	rgb(79, 155, 203)
HSL	hsl(203, 54%, 55%)
HSV	hsv(203, 61%, 80%)
CMYK	cmyk(61.1%, 23.6%, 0%, 20.4%)
CIE-LAB	lab(61.15, -9.11, -31.69)
CIE-LCH	lch(61.15, 32.98, 253.96°)
OKLab	oklab(66.09% -0.0539 -0.0889)
OKLCH	oklch(66.09% 0.104 238.8)
XYZ	xyz(25.7212, 29.4143, 60.8104)
Luminance	0.2942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F9BCB #CB7F4F

analogous

#4FCBBD #4F9BCB #4F5DCB

triadic

#4F9BCB #CB4F9B #9BCB4F

tetradic

#4F9BCB #BD4FCB #CB7F4F #5DCB4F

square

#4F9BCB #BD4FCB #CB7F4F #5DCB4F

split-complementary

#4F9BCB #CB4F5D #CBBD4F

monochromatic

#245A7B #327CAA #4F9BCB #7EB6D9 #ADD1E7

Accessibility & contrast

On white

3.05

#4F9BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#4F9BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F9BCB

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F9BCB	#FFFFFF	#000000	##000000
##4F9BCB	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859BCD

Deuteranopia (green-blind)

#748ECA

Tritanopia (blue-blind)

#00A7AB

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4f9bcb;
/* rgb */ color: rgb(79, 155, 203);
/* oklch */ color: oklch(66.1% 0.104 238.8);

Tailwind

colors: {
  custom: {
    50: '#8bb8db',
    500: '#4f9bcb',
    950: '#000000',
  },
}

SCSS

$custom: #4f9bcb;
$custom-light: #8bb8db;
$custom-dark: #000000;

JSON

{
  "hex": "#4f9bcb",
  "rgb": {
    "r": 79,
    "g": 155,
    "b": 203
  },
  "hsl": {
    "h": 203.226,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.6609,
    "c": 0.10393,
    "h": 238.8
  },
  "luminance": 0.29417
}

Semantic roles & 50–950 ramp

primary

#4F9BCB

secondary

#D5B5A1

accent

#834ADE

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #4F9BCB

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

Preview Lab → · Contrast checker → · Palette generator →