#4088CE#4088CE

#4088CE is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.3% C 0.129 H 250.2°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#4088CE
RGB	rgb(64, 136, 206)
HSL	hsl(210, 59%, 53%)
HSV	hsv(210, 69%, 81%)
CMYK	cmyk(68.9%, 34%, 0%, 19.2%)
CIE-LAB	lab(55.23, 0.23, -42.68)
CIE-LCH	lch(55.23, 42.68, 270.31°)
OKLab	oklab(61.32% -0.0437 -0.1211)
OKLCH	oklch(61.32% 0.129 250.2)
XYZ	xyz(22.0549, 23.1522, 61.6870)
Luminance	0.2316 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4088CE #CE8640

analogous

#40CECD #4088CE #4041CE

triadic

#4088CE #CE4088 #88CE40

tetradic

#4088CE #CD40CE #CE8640 #41CE40

square

#4088CE #CD40CE #CE8640 #41CE40

split-complementary

#4088CE #CE4041 #CECD40

monochromatic

#1E4A75 #2B69A6 #4088CE #71A6DA #A1C5E7

Accessibility & contrast

On white

3.73

#4088CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#4088CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088CE

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4088CE	#FFFFFF	#000000	##000000
##4088CE	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698CD1

Deuteranopia (green-blind)

#557ECD

Tritanopia (blue-blind)

#0098A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4088ce;
/* rgb */ color: rgb(64, 136, 206);
/* oklch */ color: oklch(61.3% 0.129 250.2);

Tailwind

colors: {
  custom: {
    50: '#84aadd',
    500: '#4088ce',
    950: '#000000',
  },
}

SCSS

$custom: #4088ce;
$custom-light: #84aadd;
$custom-dark: #000000;

JSON

{
  "hex": "#4088ce",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 206
  },
  "hsl": {
    "h": 209.577,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.61317,
    "c": 0.12872,
    "h": 250.2
  },
  "luminance": 0.23155
}

Semantic roles & 50–950 ramp

primary

#4088CE

secondary

#D4B496

accent

#9345E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4088CE

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

Preview Lab → · Contrast checker → · Palette generator →