#4087BA#4087BA

#4087BA is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 60.0% C 0.106 H 242.6°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#4087BA
RGB	rgb(64, 135, 186)
HSL	hsl(205, 49%, 49%)
HSV	hsv(205, 66%, 73%)
CMYK	cmyk(65.6%, 27.4%, 0%, 27.1%)
CIE-LAB	lab(53.99, -6.07, -33.27)
CIE-LCH	lch(53.99, 33.82, 259.66°)
OKLab	oklab(60.03% -0.0486 -0.0937)
OKLCH	oklch(60.03% 0.106 242.6)
XYZ	xyz(19.6379, 21.9611, 49.6488)
Luminance	0.2196 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4087BA #BA7340

analogous

#40BAB0 #4087BA #404ABA

triadic

#4087BA #BA4087 #87BA40

tetradic

#4087BA #B040BA #BA7340 #4ABA40

square

#4087BA #B040BA #BA7340 #4ABA40

split-complementary

#4087BA #BA404A #BAB040

monochromatic

#21455F #30668C #4087BA #6BA4CC #99C0DC

Accessibility & contrast

On white

3.89

#4087BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#4087BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087BA

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4087BA	#FFFFFF	#000000	##000000
##4087BA	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7088BC

Deuteranopia (green-blind)

#5F7CB9

Tritanopia (blue-blind)

#009499

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4087ba;
/* rgb */ color: rgb(64, 135, 186);
/* oklch */ color: oklch(60.0% 0.106 242.6);

Tailwind

colors: {
  custom: {
    50: '#81a9cf',
    500: '#4087ba',
    950: '#000000',
  },
}

SCSS

$custom: #4087ba;
$custom-light: #81a9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4087ba",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 186
  },
  "hsl": {
    "h": 205.082,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.60026,
    "c": 0.10559,
    "h": 242.6
  },
  "luminance": 0.21963
}

Semantic roles & 50–950 ramp

primary

#4087BA

secondary

#C8A68E

accent

#894FD8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4087BA

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

Preview Lab → · Contrast checker → · Palette generator →