#4688D3#4688D3

#4688D3 is a mid, vivid cyan. Relative luminance 0.236; OKLCH L 61.8% C 0.133 H 253.3°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#4688D3
RGB	rgb(70, 136, 211)
HSL	hsl(212, 62%, 55%)
HSV	hsv(212, 67%, 83%)
CMYK	cmyk(66.8%, 35.5%, 0%, 17.3%)
CIE-LAB	lab(55.70, 2.92, -44.75)
CIE-LCH	lch(55.70, 44.84, 273.73°)
OKLab	oklab(61.83% -0.0382 -0.127)
OKLCH	oklch(61.83% 0.133 253.3)
XYZ	xyz(23.0835, 23.6112, 64.9563)
Luminance	0.2361 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4688D3 #D39146

analogous

#46CED3 #4688D3 #4B46D3

triadic

#4688D3 #D34688 #88D346

tetradic

#4688D3 #D346CE #D39146 #46D34B

square

#4688D3 #D346CE #D39146 #46D34B

split-complementary

#4688D3 #D34B46 #CED346

monochromatic

#1E4C80 #2A6AB2 #4688D3 #77A8DF #A9C8EB

Accessibility & contrast

On white

3.67

#4688D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#4688D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4688D3

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4688D3	#FFFFFF	#000000	##000000
##4688D3	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678DD6

Deuteranopia (green-blind)

#537FD1

Tritanopia (blue-blind)

#0099A3

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4688d3;
/* rgb */ color: rgb(70, 136, 211);
/* oklch */ color: oklch(61.8% 0.133 253.3);

Tailwind

colors: {
  custom: {
    50: '#88aae1',
    500: '#4688d3',
    950: '#000000',
  },
}

SCSS

$custom: #4688d3;
$custom-light: #88aae1;
$custom-dark: #000000;

JSON

{
  "hex": "#4688d3",
  "rgb": {
    "r": 70,
    "g": 136,
    "b": 211
  },
  "hsl": {
    "h": 211.915,
    "s": 61.572,
    "l": 55.098
  },
  "oklch": {
    "l": 0.61826,
    "c": 0.13267,
    "h": 253.3
  },
  "luminance": 0.23614
}

Semantic roles & 50–950 ramp

primary

#4688D3

secondary

#D8BC9D

accent

#9943E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D1015

muted

#7D7F83

Preview Lab

Preview with #4688D3

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

Preview Lab → · Contrast checker → · Palette generator →