#4688CB#4688CB

#4688CB is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.4% C 0.123 H 250.8°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#4688CB
RGB	rgb(70, 136, 203)
HSL	hsl(210, 56%, 54%)
HSV	hsv(210, 66%, 80%)
CMYK	cmyk(65.5%, 33%, 0%, 20.4%)
CIE-LAB	lab(55.30, 0.17, -40.86)
CIE-LCH	lch(55.30, 40.86, 270.23°)
OKLab	oklab(61.38% -0.0403 -0.1157)
OKLCH	oklch(61.38% 0.123 250.8)
XYZ	xyz(22.1055, 23.2200, 59.8053)
Luminance	0.2322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4688CB #CB8946

analogous

#46CACB #4688CB #4646CB

triadic

#4688CB #CB4688 #88CB46

tetradic

#4688CB #CB46CA #CB8946 #46CB46

square

#4688CB #CB46CA #CB8946 #46CB46

split-complementary

#4688CB #CB4646 #CACB46

monochromatic

#214B76 #2E69A5 #4688CB #76A7D8 #A6C5E6

Accessibility & contrast

On white

3.72

#4688CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#4688CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4688CB

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4688CB	#FFFFFF	#000000	##000000
##4688CB	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B8BCE

Deuteranopia (green-blind)

#587FCA

Tritanopia (blue-blind)

#0098A0

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4688cb;
/* rgb */ color: rgb(70, 136, 203);
/* oklch */ color: oklch(61.4% 0.123 250.8);

Tailwind

colors: {
  custom: {
    50: '#87aadb',
    500: '#4688cb',
    950: '#000000',
  },
}

SCSS

$custom: #4688cb;
$custom-light: #87aadb;
$custom-dark: #000000;

JSON

{
  "hex": "#4688cb",
  "rgb": {
    "r": 70,
    "g": 136,
    "b": 203
  },
  "hsl": {
    "h": 210.226,
    "s": 56.118,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61384,
    "c": 0.12253,
    "h": 250.8
  },
  "luminance": 0.23222
}

Semantic roles & 50–950 ramp

primary

#4688CB

secondary

#D3B79A

accent

#9448DF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4688CB

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

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