#4088D2#4088D2

#4088D2 is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.5% C 0.134 H 251.4°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#4088D2
RGB	rgb(64, 136, 210)
HSL	hsl(210, 62%, 54%)
HSV	hsv(210, 70%, 82%)
CMYK	cmyk(69.5%, 35.2%, 0%, 17.6%)
CIE-LAB	lab(55.43, 1.63, -44.62)
CIE-LCH	lch(55.43, 44.65, 272.09°)
OKLab	oklab(61.54% -0.0426 -0.1267)
OKLCH	oklch(61.54% 0.134 251.4)
XYZ	xyz(22.5470, 23.3490, 64.2788)
Luminance	0.2335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4088D2 #D28A40

analogous

#40D1D2 #4088D2 #4140D2

triadic

#4088D2 #D24088 #88D240

tetradic

#4088D2 #D240D1 #D28A40 #40D241

square

#4088D2 #D240D1 #D28A40 #40D241

split-complementary

#4088D2 #D24140 #D1D240

monochromatic

#1D4B7B #2969AC #4088D2 #72A7DE #A3C6E9

Accessibility & contrast

On white

3.70

#4088D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#4088D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088D2

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4088D2	#FFFFFF	#000000	##000000
##4088D2	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678CD5

Deuteranopia (green-blind)

#527FD1

Tritanopia (blue-blind)

#0099A3

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4088d2;
/* rgb */ color: rgb(64, 136, 210);
/* oklch */ color: oklch(61.5% 0.134 251.4);

Tailwind

colors: {
  custom: {
    50: '#85aae0',
    500: '#4088d2',
    950: '#000000',
  },
}

SCSS

$custom: #4088d2;
$custom-light: #85aae0;
$custom-dark: #000000;

JSON

{
  "hex": "#4088d2",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 210
  },
  "hsl": {
    "h": 210.411,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.61541,
    "c": 0.13371,
    "h": 251.4
  },
  "luminance": 0.23351
}

Semantic roles & 50–950 ramp

primary

#4088D2

secondary

#D6B798

accent

#9543E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4088D2

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

Preview Lab → · Contrast checker → · Palette generator →