#4077BC#4077BC

#4077BC is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.4% C 0.122 H 255.1°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#4077BC
RGB	rgb(64, 119, 188)
HSL	hsl(213, 49%, 49%)
HSV	hsv(213, 66%, 74%)
CMYK	cmyk(66%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(49.39, 4.13, -41.65)
CIE-LCH	lch(49.39, 41.85, 275.66°)
OKLab	oklab(56.45% -0.0314 -0.1183)
OKLCH	oklch(56.45% 0.122 255.1)
XYZ	xyz(17.7850, 17.9127, 50.0874)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4077BC #BC8540

analogous

#40B5BC #4077BC #4740BC

triadic

#4077BC #BC4077 #77BC40

tetradic

#4077BC #BC40B5 #BC8540 #40BC47

square

#4077BC #BC40B5 #BC8540 #40BC47

split-complementary

#4077BC #BC4740 #B5BC40

monochromatic

#213D61 #305A8E #4077BC #6C97CD #9AB7DD

Accessibility & contrast

On white

4.58

#4077BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4077BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4077BC

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4077BC	#FFFFFF	#000000	##000000
##4077BC	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597CBF

Deuteranopia (green-blind)

#4770BB

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4077bc;
/* rgb */ color: rgb(64, 119, 188);
/* oklch */ color: oklch(56.4% 0.122 255.1);

Tailwind

colors: {
  custom: {
    50: '#819dd0',
    500: '#4077bc',
    950: '#000000',
  },
}

SCSS

$custom: #4077bc;
$custom-light: #819dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4077bc",
  "rgb": {
    "r": 64,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 213.387,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.56447,
    "c": 0.12238,
    "h": 255.1
  },
  "luminance": 0.17914
}

Semantic roles & 50–950 ramp

primary

#4077BC

secondary

#C9AF8F

accent

#9C4FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #4077BC

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

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