#4088BB#4088BB

#4088BB is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.3% C 0.106 H 242.3°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4088BB
RGB	rgb(64, 136, 187)
HSL	hsl(205, 49%, 49%)
HSV	hsv(205, 66%, 73%)
CMYK	cmyk(65.8%, 27.3%, 0%, 26.7%)
CIE-LAB	lab(54.33, -6.31, -33.31)
CIE-LCH	lch(54.33, 33.90, 259.27°)
OKLab	oklab(60.31% -0.0493 -0.0938)
OKLCH	oklch(60.31% 0.106 242.3)
XYZ	xyz(19.8847, 22.2841, 50.2574)
Luminance	0.2229 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4088BB #BB7340

analogous

#40BBB1 #4088BB #404BBB

triadic

#4088BB #BB4088 #88BB40

tetradic

#4088BB #B140BB #BB7340 #4BBB40

square

#4088BB #B140BB #BB7340 #4BBB40

split-complementary

#4088BB #BB404B #BBB140

monochromatic

#214660 #30678D #4088BB #6CA4CD #99C0DC

Accessibility & contrast

On white

3.85

#4088BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#4088BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088BB

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4088BB	#FFFFFF	#000000	##000000
##4088BB	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7189BD

Deuteranopia (green-blind)

#607DBA

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4088bb;
/* rgb */ color: rgb(64, 136, 187);
/* oklch */ color: oklch(60.3% 0.106 242.3);

Tailwind

colors: {
  custom: {
    50: '#81aacf',
    500: '#4088bb',
    950: '#000000',
  },
}

SCSS

$custom: #4088bb;
$custom-light: #81aacf;
$custom-dark: #000000;

JSON

{
  "hex": "#4088bb",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 187
  },
  "hsl": {
    "h": 204.878,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.60311,
    "c": 0.10601,
    "h": 242.3
  },
  "luminance": 0.22286
}

Semantic roles & 50–950 ramp

primary

#4088BB

secondary

#C8A78F

accent

#884FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #4088BB

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

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