#4088BD#4088BD

#4088BD is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.4% C 0.108 H 243.3°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#4088BD
RGB	rgb(64, 136, 189)
HSL	hsl(205, 49%, 50%)
HSV	hsv(205, 66%, 74%)
CMYK	cmyk(66.1%, 28%, 0%, 25.9%)
CIE-LAB	lab(54.42, -5.63, -34.31)
CIE-LCH	lch(54.42, 34.77, 260.68°)
OKLab	oklab(60.41% -0.0487 -0.0967)
OKLCH	oklch(60.41% 0.108 243.3)
XYZ	xyz(20.1003, 22.3704, 51.3928)
Luminance	0.2237 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4088BD #BD7540

analogous

#40BDB4 #4088BD #404ABD

triadic

#4088BD #BD4088 #88BD40

tetradic

#4088BD #B440BD #BD7540 #4ABD40

square

#4088BD #B440BD #BD7540 #4ABD40

split-complementary

#4088BD #BD404A #BDB440

monochromatic

#214662 #31678F #4088BD #6DA4CD #9AC1DD

Accessibility & contrast

On white

3.84

#4088BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#4088BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088BD

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4088BD	#FFFFFF	#000000	##000000
##4088BD	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)

#7089BF

Deuteranopia (green-blind)

#5F7DBC

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4088bd;
/* rgb */ color: rgb(64, 136, 189);
/* oklch */ color: oklch(60.4% 0.108 243.3);

Tailwind

colors: {
  custom: {
    50: '#82aad1',
    500: '#4088bd',
    950: '#000000',
  },
}

SCSS

$custom: #4088bd;
$custom-light: #82aad1;
$custom-dark: #000000;

JSON

{
  "hex": "#4088bd",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 189
  },
  "hsl": {
    "h": 205.44,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.60412,
    "c": 0.10828,
    "h": 243.3
  },
  "luminance": 0.22372
}

Semantic roles & 50–950 ramp

primary

#4088BD

secondary

#C9A890

accent

#894FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #4088BD

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

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