#4274BF#4274BF

#4274BF is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.0% C 0.129 H 258.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4274BF
RGB	rgb(66, 116, 191)
HSL	hsl(216, 49%, 50%)
HSV	hsv(216, 65%, 75%)
CMYK	cmyk(65.4%, 39.3%, 0%, 25.1%)
CIE-LAB	lab(48.77, 7.37, -44.35)
CIE-LCH	lch(48.77, 44.96, 279.44°)
OKLab	oklab(56.04% -0.026 -0.1262)
OKLCH	oklch(56.04% 0.129 258.3)
XYZ	xyz(17.8928, 17.4089, 51.6974)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274BF #BF8D42

analogous

#42B2BF #4274BF #4E42BF

triadic

#4274BF #BF4274 #74BF42

tetradic

#4274BF #BF42B2 #BF8D42 #42BF4E

square

#4274BF #BF42B2 #BF8D42 #42BF4E

split-complementary

#4274BF #BF4E42 #B2BF42

monochromatic

#223D65 #325892 #4274BF #7096CE #9DB7DE

Accessibility & contrast

On white

4.69

#4274BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#4274BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4274BF

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274BF	#FFFFFF	#000000	##FFFFFF
##4274BF	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#527AC2

Deuteranopia (green-blind)

#406EBD

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4274bf;
/* rgb */ color: rgb(66, 116, 191);
/* oklch */ color: oklch(56.0% 0.129 258.3);

Tailwind

colors: {
  custom: {
    50: '#839bd3',
    500: '#4274bf',
    950: '#000000',
  },
}

SCSS

$custom: #4274bf;
$custom-light: #839bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4274bf",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 191
  },
  "hsl": {
    "h": 216,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56041,
    "c": 0.12886,
    "h": 258.3
  },
  "luminance": 0.17411
}

Semantic roles & 50–950 ramp

primary

#4274BF

secondary

#CAB493

accent

#A24FD9

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4274BF

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

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