#4688BC#4688BC

#4688BC is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.6% C 0.104 H 244.6°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4688BC
RGB	rgb(70, 136, 188)
HSL	hsl(206, 47%, 51%)
HSV	hsv(206, 63%, 74%)
CMYK	cmyk(62.8%, 27.7%, 0%, 26.3%)
CIE-LAB	lab(54.59, -4.90, -33.45)
CIE-LCH	lch(54.59, 33.80, 261.66°)
OKLab	oklab(60.6% -0.0448 -0.0942)
OKLCH	oklch(60.6% 0.104 244.6)
XYZ	xyz(20.4037, 22.5393, 50.8424)
Luminance	0.2254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4688BC #BC7A46

analogous

#46BCB5 #4688BC #464DBC

triadic

#4688BC #BC4688 #88BC46

tetradic

#4688BC #B546BC #BC7A46 #4DBC46

square

#4688BC #B546BC #BC7A46 #4DBC46

split-complementary

#4688BC #BC464D #BCB546

monochromatic

#244864 #346890 #4688BC #73A5CC #A0C2DD

Accessibility & contrast

On white

3.81

#4688BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#4688BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4688BC

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4688BC	#FFFFFF	#000000	##000000
##4688BC	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7189BE

Deuteranopia (green-blind)

#617DBB

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4688bc;
/* rgb */ color: rgb(70, 136, 188);
/* oklch */ color: oklch(60.6% 0.104 244.6);

Tailwind

colors: {
  custom: {
    50: '#84aad0',
    500: '#4688bc',
    950: '#000000',
  },
}

SCSS

$custom: #4688bc;
$custom-light: #84aad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4688bc",
  "rgb": {
    "r": 70,
    "g": 136,
    "b": 188
  },
  "hsl": {
    "h": 206.441,
    "s": 46.825,
    "l": 50.588
  },
  "oklch": {
    "l": 0.60599,
    "c": 0.10427,
    "h": 244.6
  },
  "luminance": 0.22541
}

Semantic roles & 50–950 ramp

primary

#4688BC

secondary

#C9AC95

accent

#8C51D6

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4688BC

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

Preview Lab → · Contrast checker → · Palette generator →