#4389BC#4389BC

#4389BC is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.7% C 0.105 H 242.8°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4389BC
RGB	rgb(67, 137, 188)
HSL	hsl(205, 47%, 50%)
HSV	hsv(205, 64%, 74%)
CMYK	cmyk(64.4%, 27.1%, 0%, 26.3%)
CIE-LAB	lab(54.78, -6.03, -33.17)
CIE-LCH	lch(54.78, 33.72, 259.70°)
OKLab	oklab(60.71% -0.048 -0.0934)
OKLCH	oklch(60.71% 0.105 242.8)
XYZ	xyz(20.3341, 22.7134, 50.8797)
Luminance	0.2271 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4389BC #BC7643

analogous

#43BCB2 #4389BC #434DBC

triadic

#4389BC #BC4389 #89BC43

tetradic

#4389BC #B243BC #BC7643 #4DBC43

square

#4389BC #B243BC #BC7643 #4DBC43

split-complementary

#4389BC #BC434D #BCB243

monochromatic

#234762 #33688F #4389BC #70A5CC #9DC2DC

Accessibility & contrast

On white

3.79

#4389BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#4389BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4389BC

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4389BC	#FFFFFF	#000000	##000000
##4389BC	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#728ABE

Deuteranopia (green-blind)

#627EBB

Tritanopia (blue-blind)

#00959B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4389bc;
/* rgb */ color: rgb(67, 137, 188);
/* oklch */ color: oklch(60.7% 0.105 242.8);

Tailwind

colors: {
  custom: {
    50: '#83abd0',
    500: '#4389bc',
    950: '#000000',
  },
}

SCSS

$custom: #4389bc;
$custom-light: #83abd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4389bc",
  "rgb": {
    "r": 67,
    "g": 137,
    "b": 188
  },
  "hsl": {
    "h": 205.289,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.6071,
    "c": 0.10501,
    "h": 242.8
  },
  "luminance": 0.22715
}

Semantic roles & 50–950 ramp

primary

#4389BC

secondary

#C9A992

accent

#8951D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4389BC

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

Preview Lab → · Contrast checker → · Palette generator →