#4083BC#4083BC

#4083BC is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.2% C 0.111 H 246.8°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#4083BC
RGB	rgb(64, 131, 188)
HSL	hsl(208, 49%, 49%)
HSV	hsv(208, 66%, 74%)
CMYK	cmyk(66%, 30.3%, 0%, 26.3%)
CIE-LAB	lab(52.90, -3.06, -36.12)
CIE-LCH	lch(52.90, 36.25, 265.16°)
OKLab	oklab(59.2% -0.0438 -0.102)
OKLCH	oklch(59.2% 0.111 246.8)
XYZ	xyz(19.3044, 20.9515, 50.5939)
Luminance	0.2095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4083BC #BC7940

analogous

#40BCB7 #4083BC #4045BC

triadic

#4083BC #BC4083 #83BC40

tetradic

#4083BC #B740BC #BC7940 #45BC40

square

#4083BC #B740BC #BC7940 #45BC40

split-complementary

#4083BC #BC4045 #BCB740

monochromatic

#214361 #30638E #4083BC #6CA1CD #9ABEDD

Accessibility & contrast

On white

4.05

#4083BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#4083BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4083BC

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4083BC	#FFFFFF	#000000	##000000
##4083BC	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A85BE

Deuteranopia (green-blind)

#5979BB

Tritanopia (blue-blind)

#009197

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4083bc;
/* rgb */ color: rgb(64, 131, 188);
/* oklch */ color: oklch(59.2% 0.111 246.8);

Tailwind

colors: {
  custom: {
    50: '#81a6d0',
    500: '#4083bc',
    950: '#000000',
  },
}

SCSS

$custom: #4083bc;
$custom-light: #81a6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4083bc",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 188
  },
  "hsl": {
    "h": 207.581,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.59196,
    "c": 0.11103,
    "h": 246.8
  },
  "luminance": 0.20953
}

Semantic roles & 50–950 ramp

primary

#4083BC

secondary

#C9AA8F

accent

#8E4FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #4083BC

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

Preview Lab → · Contrast checker → · Palette generator →