#374BDA#374BDA

#374BDA is a mid, highly saturated blue. Relative luminance 0.109; OKLCH L 49.4% C 0.217 H 269.9°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#374BDA
RGB	rgb(55, 75, 218)
HSL	hsl(233, 69%, 54%)
HSV	hsv(233, 75%, 85%)
CMYK	cmyk(74.8%, 65.6%, 0%, 14.5%)
CIE-LAB	lab(39.42, 41.41, -75.02)
CIE-LCH	lch(39.42, 85.68, 298.90°)
OKLab	oklab(49.44% -0.0003 -0.217)
OKLCH	oklch(49.44% 0.217 269.9)
XYZ	xyz(16.7422, 10.9045, 67.5385)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.96

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374BDA #DAC637

analogous

#379CDA #374BDA #7437DA

triadic

#374BDA #DA374B #4BDA37

tetradic

#374BDA #DA379C #DAC637 #37DA74

square

#374BDA #DA379C #DAC637 #37DA74

split-complementary

#374BDA #DA7437 #9CDA37

monochromatic

#18247F #2133B3 #374BDA #6B79E4 #9EA8ED

Accessibility & contrast

On white

6.60

#374BDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#374BDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374BDA

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374BDA	#FFFFFF	#000000	##FFFFFF
##374BDA	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065DE

Deuteranopia (green-blind)

#0055D7

Tritanopia (blue-blind)

#00718C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #374bda;
/* rgb */ color: rgb(55, 75, 218);
/* oklch */ color: oklch(49.4% 0.217 269.9);

Tailwind

colors: {
  custom: {
    50: '#867de7',
    500: '#374bda',
    950: '#000000',
  },
}

SCSS

$custom: #374bda;
$custom-light: #867de7;
$custom-dark: #000000;

JSON

{
  "hex": "#374bda",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 218
  },
  "hsl": {
    "h": 232.638,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.49435,
    "c": 0.21702,
    "h": 269.9
  },
  "luminance": 0.10906
}

Semantic roles & 50–950 ramp

primary

#374BDA

secondary

#D9D193

accent

#D63CEC

background

#F9F7FE

surface

#F1EEFD

border

#CBC9D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #374BDA

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

Preview Lab → · Contrast checker → · Palette generator →