#4075B9#4075B9

#4075B9 is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.8% C 0.120 H 255.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4075B9
RGB	rgb(64, 117, 185)
HSL	hsl(214, 49%, 49%)
HSV	hsv(214, 65%, 73%)
CMYK	cmyk(65.4%, 36.8%, 0%, 27.5%)
CIE-LAB	lab(48.65, 4.30, -41.09)
CIE-LCH	lch(48.65, 41.31, 275.97°)
OKLab	oklab(55.82% -0.0301 -0.1167)
OKLCH	oklch(55.82% 0.12 255.5)
XYZ	xyz(17.2294, 17.3137, 48.3234)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075B9 #B98440

analogous

#40B2B9 #4075B9 #4840B9

triadic

#4075B9 #B94075 #75B940

tetradic

#4075B9 #B940B2 #B98440 #40B948

square

#4075B9 #B940B2 #B98440 #40B948

split-complementary

#4075B9 #B94840 #B2B940

monochromatic

#213B5E #30588C #4075B9 #6B95CC #98B6DB

Accessibility & contrast

On white

4.71

#4075B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4075B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4075B9

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075B9	#FFFFFF	#000000	##FFFFFF
##4075B9	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#577ABC

Deuteranopia (green-blind)

#466EB8

Tritanopia (blue-blind)

#00858E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4075b9;
/* rgb */ color: rgb(64, 117, 185);
/* oklch */ color: oklch(55.8% 0.120 255.5);

Tailwind

colors: {
  custom: {
    50: '#819cce',
    500: '#4075b9',
    950: '#000000',
  },
}

SCSS

$custom: #4075b9;
$custom-light: #819cce;
$custom-dark: #000000;

JSON

{
  "hex": "#4075b9",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 185
  },
  "hsl": {
    "h": 213.719,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5582,
    "c": 0.12048,
    "h": 255.5
  },
  "luminance": 0.17315
}

Semantic roles & 50–950 ramp

primary

#4075B9

secondary

#C7AE8E

accent

#9C50D8

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4075B9

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

Preview Lab → · Contrast checker → · Palette generator →