#4688CC#4688CC

#4688CC is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.4% C 0.124 H 251.1°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#4688CC
RGB	rgb(70, 136, 204)
HSL	hsl(210, 57%, 54%)
HSV	hsv(210, 66%, 80%)
CMYK	cmyk(65.7%, 33.3%, 0%, 20%)
CIE-LAB	lab(55.35, 0.51, -41.35)
CIE-LCH	lch(55.35, 41.35, 270.70°)
OKLab	oklab(61.44% -0.0401 -0.1171)
OKLCH	oklch(61.44% 0.124 251.1)
XYZ	xyz(22.2250, 23.2678, 60.4349)
Luminance	0.2327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4688CC #CC8A46

analogous

#46CBCC #4688CC #4746CC

triadic

#4688CC #CC4688 #88CC46

tetradic

#4688CC #CC46CB #CC8A46 #46CC47

square

#4688CC #CC46CB #CC8A46 #46CC47

split-complementary

#4688CC #CC4746 #CBCC46

monochromatic

#214B77 #2E69A7 #4688CC #76A7D9 #A6C6E6

Accessibility & contrast

On white

3.71

#4688CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#4688CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4688CC

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4688CC	#FFFFFF	#000000	##000000
##4688CC	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A8CCF

Deuteranopia (green-blind)

#587FCB

Tritanopia (blue-blind)

#0098A1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4688cc;
/* rgb */ color: rgb(70, 136, 204);
/* oklch */ color: oklch(61.4% 0.124 251.1);

Tailwind

colors: {
  custom: {
    50: '#87aadc',
    500: '#4688cc',
    950: '#000000',
  },
}

SCSS

$custom: #4688cc;
$custom-light: #87aadc;
$custom-dark: #000000;

JSON

{
  "hex": "#4688cc",
  "rgb": {
    "r": 70,
    "g": 136,
    "b": 204
  },
  "hsl": {
    "h": 210.448,
    "s": 56.78,
    "l": 53.725
  },
  "oklch": {
    "l": 0.61438,
    "c": 0.12379,
    "h": 251.1
  },
  "luminance": 0.2327
}

Semantic roles & 50–950 ramp

primary

#4688CC

secondary

#D4B79A

accent

#9548E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4688CC

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

Preview Lab → · Contrast checker → · Palette generator →