#4689CB#4689CB

#4689CB is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.6% C 0.122 H 250.1°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#4689CB
RGB	rgb(70, 137, 203)
HSL	hsl(210, 56%, 54%)
HSV	hsv(210, 66%, 80%)
CMYK	cmyk(65.5%, 32.5%, 0%, 20.4%)
CIE-LAB	lab(55.59, -0.42, -40.41)
CIE-LCH	lch(55.59, 40.41, 269.40°)
OKLab	oklab(61.61% -0.0413 -0.1144)
OKLCH	oklch(61.61% 0.122 250.1)
XYZ	xyz(22.2470, 23.5030, 59.8524)
Luminance	0.2351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4689CB #CB8846

analogous

#46CBCA #4689CB #4646CB

triadic

#4689CB #CB4689 #89CB46

tetradic

#4689CB #CA46CB #CB8846 #46CB46

square

#4689CB #CA46CB #CB8846 #46CB46

split-complementary

#4689CB #CB4646 #CBCA46

monochromatic

#214C76 #2E6AA5 #4689CB #76A7D8 #A6C6E6

Accessibility & contrast

On white

3.68

#4689CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#4689CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4689CB

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4689CB	#FFFFFF	#000000	##000000
##4689CB	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C8CCE

Deuteranopia (green-blind)

#5A7FCA

Tritanopia (blue-blind)

#0098A1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4689cb;
/* rgb */ color: rgb(70, 137, 203);
/* oklch */ color: oklch(61.6% 0.122 250.1);

Tailwind

colors: {
  custom: {
    50: '#87abdb',
    500: '#4689cb',
    950: '#000000',
  },
}

SCSS

$custom: #4689cb;
$custom-light: #87abdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4689cb",
  "rgb": {
    "r": 70,
    "g": 137,
    "b": 203
  },
  "hsl": {
    "h": 209.774,
    "s": 56.118,
    "l": 53.529
  },
  "oklch": {
    "l": 0.6161,
    "c": 0.12162,
    "h": 250.1
  },
  "luminance": 0.23505
}

Semantic roles & 50–950 ramp

primary

#4689CB

secondary

#D3B69A

accent

#9348DF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4689CB

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

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