#4688CE#4688CE

#4688CE is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.5% C 0.126 H 251.8°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#4688CE
RGB	rgb(70, 136, 206)
HSL	hsl(211, 58%, 54%)
HSV	hsv(211, 66%, 81%)
CMYK	cmyk(66%, 34%, 0%, 19.2%)
CIE-LAB	lab(55.45, 1.19, -42.33)
CIE-LCH	lch(55.45, 42.34, 271.62°)
OKLab	oklab(61.55% -0.0395 -0.12)
OKLCH	oklch(61.55% 0.126 251.8)
XYZ	xyz(22.4664, 23.3644, 61.7063)
Luminance	0.2337 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4688CE #CE8C46

analogous

#46CCCE #4688CE #4846CE

triadic

#4688CE #CE4688 #88CE46

tetradic

#4688CE #CE46CC #CE8C46 #46CE48

square

#4688CE #CE46CC #CE8C46 #46CE48

split-complementary

#4688CE #CE4846 #CCCE46

monochromatic

#204B79 #2D6AAA #4688CE #76A7DB #A7C6E8

Accessibility & contrast

On white

3.70

#4688CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#4688CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4688CE

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4688CE	#FFFFFF	#000000	##000000
##4688CE	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698CD1

Deuteranopia (green-blind)

#567FCD

Tritanopia (blue-blind)

#0098A1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4688ce;
/* rgb */ color: rgb(70, 136, 206);
/* oklch */ color: oklch(61.5% 0.126 251.8);

Tailwind

colors: {
  custom: {
    50: '#87aadd',
    500: '#4688ce',
    950: '#000000',
  },
}

SCSS

$custom: #4688ce;
$custom-light: #87aadd;
$custom-dark: #000000;

JSON

{
  "hex": "#4688ce",
  "rgb": {
    "r": 70,
    "g": 136,
    "b": 206
  },
  "hsl": {
    "h": 210.882,
    "s": 58.12,
    "l": 54.118
  },
  "oklch": {
    "l": 0.61548,
    "c": 0.12631,
    "h": 251.8
  },
  "luminance": 0.23367
}

Semantic roles & 50–950 ramp

primary

#4688CE

secondary

#D5B99B

accent

#9646E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4688CE

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

Preview Lab → · Contrast checker → · Palette generator →