#4087DB#4087DB

#4087DB is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.8% C 0.146 H 254.4°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#4087DB
RGB	rgb(64, 135, 219)
HSL	hsl(213, 68%, 55%)
HSV	hsv(213, 71%, 86%)
CMYK	cmyk(70.8%, 38.4%, 0%, 14.1%)
CIE-LAB	lab(55.61, 5.40, -49.39)
CIE-LCH	lch(55.61, 49.69, 276.24°)
OKLab	oklab(61.84% -0.0394 -0.1407)
OKLCH	oklch(61.84% 0.146 254.4)
XYZ	xyz(23.5598, 23.5299, 70.3042)
Luminance	0.2353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4087DB #DB9440

analogous

#40D5DB #4087DB #4640DB

triadic

#4087DB #DB4087 #87DB40

tetradic

#4087DB #DB40D5 #DB9440 #40DB46

square

#4087DB #DB40D5 #DB9440 #40DB46

split-complementary

#4087DB #DB4640 #D5DB40

monochromatic

#194C87 #2369BB #4087DB #73A7E5 #A7C8EE

Accessibility & contrast

On white

3.68

#4087DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#4087DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087DB

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4087DB	#FFFFFF	#000000	##000000
##4087DB	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#608DDE

Deuteranopia (green-blind)

#497FD9

Tritanopia (blue-blind)

#009BA6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4087db;
/* rgb */ color: rgb(64, 135, 219);
/* oklch */ color: oklch(61.8% 0.146 254.4);

Tailwind

colors: {
  custom: {
    50: '#87a9e6',
    500: '#4087db',
    950: '#000000',
  },
}

SCSS

$custom: #4087db;
$custom-light: #87a9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4087db",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 219
  },
  "hsl": {
    "h": 212.516,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.61837,
    "c": 0.14615,
    "h": 254.4
  },
  "luminance": 0.23532
}

Semantic roles & 50–950 ramp

primary

#4087DB

secondary

#DCBE9B

accent

#9B3DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #4087DB

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

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