#4088BC#4088BC

#4088BC is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.4% C 0.107 H 242.8°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#4088BC
RGB	rgb(64, 136, 188)
HSL	hsl(205, 49%, 49%)
HSV	hsv(205, 66%, 74%)
CMYK	cmyk(66%, 27.7%, 0%, 26.3%)
CIE-LAB	lab(54.37, -5.97, -33.81)
CIE-LCH	lch(54.37, 34.33, 259.98°)
OKLab	oklab(60.36% -0.049 -0.0953)
OKLCH	oklch(60.36% 0.107 242.8)
XYZ	xyz(19.9922, 22.3271, 50.8232)
Luminance	0.2233 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4088BC #BC7440

analogous

#40BCB2 #4088BC #404ABC

triadic

#4088BC #BC4088 #88BC40

tetradic

#4088BC #B240BC #BC7440 #4ABC40

square

#4088BC #B240BC #BC7440 #4ABC40

split-complementary

#4088BC #BC404A #BCB240

monochromatic

#214661 #30678E #4088BC #6CA4CD #9AC1DD

Accessibility & contrast

On white

3.84

#4088BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#4088BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088BC

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4088BC	#FFFFFF	#000000	##000000
##4088BC	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7189BE

Deuteranopia (green-blind)

#607DBB

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4088bc;
/* rgb */ color: rgb(64, 136, 188);
/* oklch */ color: oklch(60.4% 0.107 242.8);

Tailwind

colors: {
  custom: {
    50: '#82aad0',
    500: '#4088bc',
    950: '#000000',
  },
}

SCSS

$custom: #4088bc;
$custom-light: #82aad0;
$custom-dark: #000000;

JSON

{
  "hex": "#4088bc",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 188
  },
  "hsl": {
    "h": 205.161,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.60361,
    "c": 0.10715,
    "h": 242.8
  },
  "luminance": 0.22329
}

Semantic roles & 50–950 ramp

primary

#4088BC

secondary

#C9A78F

accent

#894FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #4088BC

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

Preview Lab → · Contrast checker → · Palette generator →