#4075B3#4075B3

#4075B3 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.5% C 0.113 H 253.6°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4075B3
RGB	rgb(64, 117, 179)
HSL	hsl(212, 47%, 48%)
HSV	hsv(212, 64%, 70%)
CMYK	cmyk(64.2%, 34.6%, 0%, 29.8%)
CIE-LAB	lab(48.34, 2.20, -38.10)
CIE-LCH	lch(48.34, 38.17, 273.30°)
OKLab	oklab(55.48% -0.0317 -0.1079)
OKLCH	oklch(55.48% 0.113 253.6)
XYZ	xyz(16.6094, 17.0656, 45.0578)
Luminance	0.1707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075B3 #B37E40

analogous

#40AEB3 #4075B3 #4540B3

triadic

#4075B3 #B34075 #75B340

tetradic

#4075B3 #B340AE #B37E40 #40B345

square

#4075B3 #B340AE #B37E40 #40B345

split-complementary

#4075B3 #B34540 #AEB340

monochromatic

#203A59 #305886 #4075B3 #6794C9 #94B4D9

Accessibility & contrast

On white

4.76

#4075B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#4075B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4075B3

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075B3	#FFFFFF	#000000	##FFFFFF
##4075B3	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A79B6

Deuteranopia (green-blind)

#4A6EB2

Tritanopia (blue-blind)

#00838C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4075b3;
/* rgb */ color: rgb(64, 117, 179);
/* oklch */ color: oklch(55.5% 0.113 253.6);

Tailwind

colors: {
  custom: {
    50: '#809cca',
    500: '#4075b3',
    950: '#000000',
  },
}

SCSS

$custom: #4075b3;
$custom-light: #809cca;
$custom-dark: #000000;

JSON

{
  "hex": "#4075b3",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 179
  },
  "hsl": {
    "h": 212.348,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55477,
    "c": 0.1125,
    "h": 253.6
  },
  "luminance": 0.17067
}

Semantic roles & 50–950 ramp

primary

#4075B3

secondary

#C4AA8A

accent

#9951D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4075B3

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

Preview Lab → · Contrast checker → · Palette generator →