#4059BB#4059BB

#4059BB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.9% C 0.157 H 269.2°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#4059BB
RGB	rgb(64, 89, 187)
HSL	hsl(228, 49%, 49%)
HSV	hsv(228, 66%, 73%)
CMYK	cmyk(65.8%, 52.4%, 0%, 26.7%)
CIE-LAB	lab(40.93, 22.71, -54.60)
CIE-LCH	lch(40.93, 59.14, 292.59°)
OKLab	oklab(49.92% -0.0021 -0.1567)
OKLCH	oklch(49.92% 0.157 269.2)
XYZ	xyz(14.6533, 11.8213, 48.5136)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4059BB #BBA240

analogous

#4097BB #4059BB #6540BB

triadic

#4059BB #BB4059 #59BB40

tetradic

#4059BB #BB4097 #BBA240 #40BB65

square

#4059BB #BB4097 #BBA240 #40BB65

split-complementary

#4059BB #BB6540 #97BB40

monochromatic

#212E60 #30438D #4059BB #6C7FCD #99A7DC

Accessibility & contrast

On white

6.24

#4059BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4059BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4059BB

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4059BB	#FFFFFF	#000000	##FFFFFF
##4059BB	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B66BE

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4059bb;
/* rgb */ color: rgb(64, 89, 187);
/* oklch */ color: oklch(49.9% 0.157 269.2);

Tailwind

colors: {
  custom: {
    50: '#8287d0',
    500: '#4059bb',
    950: '#000000',
  },
}

SCSS

$custom: #4059bb;
$custom-light: #8287d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4059bb",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 227.805,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.49924,
    "c": 0.15675,
    "h": 269.2
  },
  "luminance": 0.11823
}

Semantic roles & 50–950 ramp

primary

#4059BB

secondary

#C8BC8F

accent

#BD4FD9

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4059BB

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

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