#4088BF#4088BF

#4088BF is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.5% C 0.111 H 244.2°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#4088BF
RGB	rgb(64, 136, 191)
HSL	hsl(206, 50%, 50%)
HSV	hsv(206, 66%, 75%)
CMYK	cmyk(66.5%, 28.8%, 0%, 25.1%)
CIE-LAB	lab(54.51, -4.95, -35.31)
CIE-LCH	lch(54.51, 35.65, 262.02°)
OKLab	oklab(60.51% -0.0481 -0.0996)
OKLCH	oklch(60.51% 0.111 244.2)
XYZ	xyz(20.3189, 22.4578, 52.5441)
Luminance	0.2246 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4088BF #BF7740

analogous

#40BFB6 #4088BF #4049BF

triadic

#4088BF #BF4088 #88BF40

tetradic

#4088BF #B640BF #BF7740 #49BF40

square

#4088BF #B640BF #BF7740 #49BF40

split-complementary

#4088BF #BF4049 #BFB640

monochromatic

#214763 #316791 #4088BF #6EA5CE #9CC1DE

Accessibility & contrast

On white

3.82

#4088BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#4088BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088BF

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4088BF	#FFFFFF	#000000	##000000
##4088BF	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F89C1

Deuteranopia (green-blind)

#5E7DBE

Tritanopia (blue-blind)

#00959B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4088bf;
/* rgb */ color: rgb(64, 136, 191);
/* oklch */ color: oklch(60.5% 0.111 244.2);

Tailwind

colors: {
  custom: {
    50: '#82aad2',
    500: '#4088bf',
    950: '#000000',
  },
}

SCSS

$custom: #4088bf;
$custom-light: #82aad2;
$custom-dark: #000000;

JSON

{
  "hex": "#4088bf",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 191
  },
  "hsl": {
    "h": 205.984,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.60515,
    "c": 0.1106,
    "h": 244.2
  },
  "luminance": 0.2246
}

Semantic roles & 50–950 ramp

primary

#4088BF

secondary

#CAAA91

accent

#8B4ED9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4088BF

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

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