#374DBD#374DBD

#374DBD is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.2% C 0.177 H 269.8°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#374DBD
RGB	rgb(55, 77, 189)
HSL	hsl(230, 55%, 48%)
HSV	hsv(230, 71%, 74%)
CMYK	cmyk(70.9%, 59.3%, 0%, 25.9%)
CIE-LAB	lab(37.47, 29.84, -61.41)
CIE-LCH	lch(37.47, 68.28, 295.92°)
OKLab	oklab(47.25% -0.0007 -0.1771)
OKLCH	oklch(47.25% 0.177 269.8)
XYZ	xyz(13.4116, 9.7928, 49.3176)
Luminance	0.0979 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374DBD #BDA737

analogous

#3790BD #374DBD #6437BD

triadic

#374DBD #BD374D #4DBD37

tetradic

#374DBD #BD3790 #BDA737 #37BD64

square

#374DBD #BD3790 #BDA737 #37BD64

split-complementary

#374DBD #BD6437 #90BD37

monochromatic

#1B265E #293A8E #374DBD #6073D1 #909DDF

Accessibility & contrast

On white

7.10

#374DBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#374DBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374DBD

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374DBD	#FFFFFF	#000000	##FFFFFF
##374DBD	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC1

Deuteranopia (green-blind)

#0052BB

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #374dbd;
/* rgb */ color: rgb(55, 77, 189);
/* oklch */ color: oklch(47.2% 0.177 269.8);

Tailwind

colors: {
  custom: {
    50: '#7f7ed2',
    500: '#374dbd',
    950: '#000000',
  },
}

SCSS

$custom: #374dbd;
$custom-light: #7f7ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#374dbd",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 189
  },
  "hsl": {
    "h": 230.149,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.47246,
    "c": 0.17712,
    "h": 269.8
  },
  "luminance": 0.09794
}

Semantic roles & 50–950 ramp

primary

#374DBD

secondary

#C9BE86

accent

#C64ADE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #374DBD

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

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