#4089E3#4089E3

#4089E3 is a light, vivid cyan. Relative luminance 0.245; OKLCH L 62.8% C 0.154 H 255.2°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4089E3
RGB	rgb(64, 137, 227)
HSL	hsl(213, 74%, 57%)
HSV	hsv(213, 72%, 89%)
CMYK	cmyk(71.8%, 39.6%, 0%, 11%)
CIE-LAB	lab(56.61, 7.05, -52.28)
CIE-LCH	lch(56.61, 52.76, 277.68°)
OKLab	oklab(62.75% -0.0394 -0.1492)
OKLCH	oklch(62.75% 0.154 255.2)
XYZ	xyz(24.9200, 24.5246, 76.0785)
Luminance	0.2453 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4089E3 #E39A40

analogous

#40DAE3 #4089E3 #4940E3

triadic

#4089E3 #E34089 #89E340

tetradic

#4089E3 #E340DA #E39A40 #40E349

square

#4089E3 #E340DA #E39A40 #40E349

split-complementary

#4089E3 #E34940 #DAE340

monochromatic

#164E93 #1D6AC8 #4089E3 #75AAEB #ABCBF3

Accessibility & contrast

On white

3.56

#4089E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#4089E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089E3

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4089E3	#FFFFFF	#000000	##000000
##4089E3	1.00	3.56	5.91	5.91
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F90E7

Deuteranopia (green-blind)

#4581E1

Tritanopia (blue-blind)

#009EAB

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4089e3;
/* rgb */ color: rgb(64, 137, 227);
/* oklch */ color: oklch(62.8% 0.154 255.2);

Tailwind

colors: {
  custom: {
    50: '#88aaec',
    500: '#4089e3',
    950: '#000000',
  },
}

SCSS

$custom: #4089e3;
$custom-light: #88aaec;
$custom-dark: #000000;

JSON

{
  "hex": "#4089e3",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 227
  },
  "hsl": {
    "h": 213.129,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.62753,
    "c": 0.1543,
    "h": 255.2
  },
  "luminance": 0.24527
}

Semantic roles & 50–950 ramp

primary

#4089E3

secondary

#E1C39E

accent

#9E37F1

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4089E3

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

Preview Lab → · Contrast checker → · Palette generator →