#4387B2#4387B2

#4387B2 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.7% C 0.095 H 238.9°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#4387B2
RGB	rgb(67, 135, 178)
HSL	hsl(203, 45%, 48%)
HSV	hsv(203, 62%, 70%)
CMYK	cmyk(62.4%, 24.2%, 0%, 30.2%)
CIE-LAB	lab(53.74, -8.21, -29.06)
CIE-LCH	lch(53.74, 30.20, 254.23°)
OKLab	oklab(59.75% -0.0492 -0.0815)
OKLCH	oklch(59.75% 0.095 238.9)
XYZ	xyz(19.0115, 21.7337, 45.3040)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4387B2 #B26E43

analogous

#43B2A5 #4387B2 #4350B2

triadic

#4387B2 #B24387 #87B243

tetradic

#4387B2 #A543B2 #B26E43 #50B243

square

#4387B2 #A543B2 #B26E43 #50B243

split-complementary

#4387B2 #B24350 #B2A543

monochromatic

#224459 #326586 #4387B2 #6BA3C7 #97BFD8

Accessibility & contrast

On white

3.93

#4387B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#4387B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387B2

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4387B2	#FFFFFF	#000000	##000000
##4387B2	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7387B4

Deuteranopia (green-blind)

#647BB1

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4387b2;
/* rgb */ color: rgb(67, 135, 178);
/* oklch */ color: oklch(59.7% 0.095 238.9);

Tailwind

colors: {
  custom: {
    50: '#82a9c9',
    500: '#4387b2',
    950: '#000000',
  },
}

SCSS

$custom: #4387b2;
$custom-light: #82a9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4387b2",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 178
  },
  "hsl": {
    "h": 203.243,
    "s": 45.306,
    "l": 48.039
  },
  "oklch": {
    "l": 0.59749,
    "c": 0.09523,
    "h": 238.9
  },
  "luminance": 0.21736
}

Semantic roles & 50–950 ramp

primary

#4387B2

secondary

#C4A28D

accent

#8553D5

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4387B2

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

Preview Lab → · Contrast checker → · Palette generator →