#4182BC#4182BC

#4182BC is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 59.0% C 0.111 H 247.8°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#4182BC
RGB	rgb(65, 130, 188)
HSL	hsl(208, 49%, 50%)
HSV	hsv(208, 65%, 74%)
CMYK	cmyk(65.4%, 30.9%, 0%, 26.3%)
CIE-LAB	lab(52.64, -2.30, -36.52)
CIE-LCH	lch(52.64, 36.59, 266.40°)
OKLab	oklab(59.01% -0.042 -0.1032)
OKLCH	oklch(59.01% 0.111 247.8)
XYZ	xyz(19.2363, 20.7180, 50.5524)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4182BC #BC7B41

analogous

#41BCB9 #4182BC #4144BC

triadic

#4182BC #BC4182 #82BC41

tetradic

#4182BC #B941BC #BC7B41 #44BC41

square

#4182BC #B941BC #BC7B41 #44BC41

split-complementary

#4182BC #BC4144 #BCB941

monochromatic

#224361 #31638F #4182BC #6EA0CD #9BBEDC

Accessibility & contrast

On white

4.08

#4182BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#4182BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4182BC

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4182BC	#FFFFFF	#000000	##000000
##4182BC	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BF

Deuteranopia (green-blind)

#5878BB

Tritanopia (blue-blind)

#009097

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4182bc;
/* rgb */ color: rgb(65, 130, 188);
/* oklch */ color: oklch(59.0% 0.111 247.8);

Tailwind

colors: {
  custom: {
    50: '#82a6d0',
    500: '#4182bc',
    950: '#000000',
  },
}

SCSS

$custom: #4182bc;
$custom-light: #82a6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4182bc",
  "rgb": {
    "r": 65,
    "g": 130,
    "b": 188
  },
  "hsl": {
    "h": 208.293,
    "s": 48.617,
    "l": 49.608
  },
  "oklch": {
    "l": 0.59005,
    "c": 0.11143,
    "h": 247.8
  },
  "luminance": 0.2072
}

Semantic roles & 50–950 ramp

primary

#4182BC

secondary

#C9AB90

accent

#9050D8

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #4182BC

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

Preview Lab → · Contrast checker → · Palette generator →