#4058BF#4058BF

#4058BF is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.0% C 0.164 H 269.7°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#4058BF
RGB	rgb(64, 88, 191)
HSL	hsl(229, 50%, 50%)
HSV	hsv(229, 66%, 75%)
CMYK	cmyk(66.5%, 53.9%, 0%, 25.1%)
CIE-LAB	lab(40.94, 24.78, -56.91)
CIE-LCH	lch(40.94, 62.07, 293.53°)
OKLab	oklab(50.02% -0.0009 -0.1636)
OKLCH	oklch(50.02% 0.164 269.7)
XYZ	xyz(15.0048, 11.8296, 50.7727)
Luminance	0.1183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4058BF #BFA740

analogous

#4098BF #4058BF #6740BF

triadic

#4058BF #BF4058 #58BF40

tetradic

#4058BF #BF4098 #BFA740 #40BF67

square

#4058BF #BF4098 #BFA740 #40BF67

split-complementary

#4058BF #BF6740 #98BF40

monochromatic

#212E63 #314391 #4058BF #6E80CE #9CA8DE

Accessibility & contrast

On white

6.24

#4058BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4058BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4058BF

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4058BF	#FFFFFF	#000000	##FFFFFF
##4058BF	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C67C3

Deuteranopia (green-blind)

#005BBD

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4058bf;
/* rgb */ color: rgb(64, 88, 191);
/* oklch */ color: oklch(50.0% 0.164 269.7);

Tailwind

colors: {
  custom: {
    50: '#8386d3',
    500: '#4058bf',
    950: '#000000',
  },
}

SCSS

$custom: #4058bf;
$custom-light: #8386d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4058bf",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 191
  },
  "hsl": {
    "h": 228.661,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.50023,
    "c": 0.16356,
    "h": 269.7
  },
  "luminance": 0.11831
}

Semantic roles & 50–950 ramp

primary

#4058BF

secondary

#CABF91

accent

#BF4ED9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4058BF

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

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