#4081BC#4081BC

#4081BC is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.7% C 0.113 H 248.3°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#4081BC
RGB	rgb(64, 129, 188)
HSL	hsl(209, 49%, 49%)
HSV	hsv(209, 66%, 74%)
CMYK	cmyk(66%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(52.31, -1.88, -37.05)
CIE-LCH	lch(52.31, 37.09, 267.09°)
OKLab	oklab(58.73% -0.0417 -0.1047)
OKLCH	oklch(58.73% 0.113 248.3)
XYZ	xyz(19.0383, 20.4194, 50.5052)
Luminance	0.2042 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4081BC #BC7B40

analogous

#40BCB9 #4081BC #4043BC

triadic

#4081BC #BC4081 #81BC40

tetradic

#4081BC #B940BC #BC7B40 #43BC40

square

#4081BC #B940BC #BC7B40 #43BC40

split-complementary

#4081BC #BC4043 #BCB940

monochromatic

#214261 #30628E #4081BC #6C9FCD #9ABDDD

Accessibility & contrast

On white

4.13

#4081BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#4081BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4081BC

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4081BC	#FFFFFF	#000000	##000000
##4081BC	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6783BF

Deuteranopia (green-blind)

#5677BB

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #4081bc;
/* rgb */ color: rgb(64, 129, 188);
/* oklch */ color: oklch(58.7% 0.113 248.3);

Tailwind

colors: {
  custom: {
    50: '#81a5d0',
    500: '#4081bc',
    950: '#000000',
  },
}

SCSS

$custom: #4081bc;
$custom-light: #81a5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4081bc",
  "rgb": {
    "r": 64,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 208.548,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.58733,
    "c": 0.11273,
    "h": 248.3
  },
  "luminance": 0.20421
}

Semantic roles & 50–950 ramp

primary

#4081BC

secondary

#C9AB8F

accent

#914FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #4081BC

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

Preview Lab → · Contrast checker → · Palette generator →