#4688DB#4688DB

#4688DB is a light, vivid cyan. Relative luminance 0.240; OKLCH L 62.3% C 0.143 H 255.3°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#4688DB
RGB	rgb(70, 136, 219)
HSL	hsl(213, 67%, 57%)
HSV	hsv(213, 68%, 86%)
CMYK	cmyk(68%, 37.9%, 0%, 14.1%)
CIE-LAB	lab(56.11, 5.70, -48.59)
CIE-LCH	lch(56.11, 48.92, 276.69°)
OKLab	oklab(62.28% -0.0362 -0.1383)
OKLCH	oklch(62.28% 0.143 255.3)
XYZ	xyz(24.1115, 24.0224, 70.3702)
Luminance	0.2402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4688DB #DB9946

analogous

#46D3DB #4688DB #4F46DB

triadic

#4688DB #DB4688 #88DB46

tetradic

#4688DB #DB46D3 #DB9946 #46DB4F

square

#4688DB #DB46D3 #DB9946 #46DB4F

split-complementary

#4688DB #DB4F46 #D3DB46

monochromatic

#1B4D8B #2569BF #4688DB #79A9E5 #ACCAEF

Accessibility & contrast

On white

3.62

#4688DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#4688DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4688DB

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4688DB	#FFFFFF	#000000	##000000
##4688DB	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#628EDE

Deuteranopia (green-blind)

#4C80D9

Tritanopia (blue-blind)

#009BA7

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4688db;
/* rgb */ color: rgb(70, 136, 219);
/* oklch */ color: oklch(62.3% 0.143 255.3);

Tailwind

colors: {
  custom: {
    50: '#89aae6',
    500: '#4688db',
    950: '#000000',
  },
}

SCSS

$custom: #4688db;
$custom-light: #89aae6;
$custom-dark: #000000;

JSON

{
  "hex": "#4688db",
  "rgb": {
    "r": 70,
    "g": 136,
    "b": 219
  },
  "hsl": {
    "h": 213.423,
    "s": 67.421,
    "l": 56.667
  },
  "oklch": {
    "l": 0.62284,
    "c": 0.14296,
    "h": 255.3
  },
  "luminance": 0.24025
}

Semantic roles & 50–950 ramp

primary

#4688DB

secondary

#DDC2A0

accent

#9E3DEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4688DB

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

Preview Lab → · Contrast checker → · Palette generator →