#4689CC#4689CC

#4689CC is a mid, vivid cyan. Relative luminance 0.236; OKLCH L 61.7% C 0.123 H 250.5°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#4689CC
RGB	rgb(70, 137, 204)
HSL	hsl(210, 57%, 54%)
HSV	hsv(210, 66%, 80%)
CMYK	cmyk(65.7%, 32.8%, 0%, 20%)
CIE-LAB	lab(55.64, -0.08, -40.90)
CIE-LCH	lch(55.64, 40.90, 269.89°)
OKLab	oklab(61.66% -0.0411 -0.1158)
OKLCH	oklch(61.66% 0.123 250.5)
XYZ	xyz(22.3665, 23.5508, 60.4821)
Luminance	0.2355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4689CC #CC8946

analogous

#46CCCC #4689CC #4646CC

triadic

#4689CC #CC4689 #89CC46

tetradic

#4689CC #CC46CC #CC8946 #46CC46

square

#4689CC #CC46CC #CC8946 #46CC46

split-complementary

#4689CC #CC4646 #CCCC46

monochromatic

#214C77 #2E6AA7 #4689CC #76A8D9 #A6C6E6

Accessibility & contrast

On white

3.68

#4689CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#4689CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4689CC

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4689CC	#FFFFFF	#000000	##000000
##4689CC	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C8CCF

Deuteranopia (green-blind)

#597FCB

Tritanopia (blue-blind)

#0099A1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4689cc;
/* rgb */ color: rgb(70, 137, 204);
/* oklch */ color: oklch(61.7% 0.123 250.5);

Tailwind

colors: {
  custom: {
    50: '#87abdc',
    500: '#4689cc',
    950: '#000000',
  },
}

SCSS

$custom: #4689cc;
$custom-light: #87abdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4689cc",
  "rgb": {
    "r": 70,
    "g": 137,
    "b": 204
  },
  "hsl": {
    "h": 210,
    "s": 56.78,
    "l": 53.725
  },
  "oklch": {
    "l": 0.61664,
    "c": 0.12286,
    "h": 250.5
  },
  "luminance": 0.23553
}

Semantic roles & 50–950 ramp

primary

#4689CC

secondary

#D4B79A

accent

#9448E0

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4689CC

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

Preview Lab → · Contrast checker → · Palette generator →