#374AA0#374AA0

#374AA0 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.3% C 0.141 H 270.3°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#374AA0
RGB	rgb(55, 74, 160)
HSL	hsl(229, 49%, 42%)
HSV	hsv(229, 66%, 63%)
CMYK	cmyk(65.6%, 53.7%, 0%, 37.3%)
CIE-LAB	lab(34.49, 21.26, -49.02)
CIE-LCH	lch(34.49, 53.44, 293.44°)
OKLab	oklab(44.33% 0.0008 -0.1407)
OKLCH	oklch(44.33% 0.141 270.3)
XYZ	xyz(10.3673, 8.2469, 34.2964)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374AA0 #A08D37

analogous

#377FA0 #374AA0 #5937A0

triadic

#374AA0 #A0374A #4AA037

tetradic

#374AA0 #A0377F #A08D37 #37A059

square

#374AA0 #A0377F #A08D37 #37A059

split-complementary

#374AA0 #A05937 #7FA037

monochromatic

#182045 #273572 #374AA0 #5166C3 #7F8ED3

Accessibility & contrast

On white

7.93

#374AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#374AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374AA0

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374AA0	#FFFFFF	#000000	##FFFFFF
##374AA0	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1256A3

Deuteranopia (green-blind)

#004D9E

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #374aa0;
/* rgb */ color: rgb(55, 74, 160);
/* oklch */ color: oklch(44.3% 0.141 270.3);

Tailwind

colors: {
  custom: {
    50: '#797cbd',
    500: '#374aa0',
    950: '#000000',
  },
}

SCSS

$custom: #374aa0;
$custom-light: #797cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#374aa0",
  "rgb": {
    "r": 55,
    "g": 74,
    "b": 160
  },
  "hsl": {
    "h": 229.143,
    "s": 48.837,
    "l": 42.157
  },
  "oklch": {
    "l": 0.44329,
    "c": 0.14074,
    "h": 270.3
  },
  "luminance": 0.08248
}

Semantic roles & 50–950 ramp

primary

#374AA0

secondary

#BCB077

accent

#C04FD8

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374AA0

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

Preview Lab → · Contrast checker → · Palette generator →