#374AA5#374AA5

#374AA5 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.7% C 0.148 H 270.4°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#374AA5
RGB	rgb(55, 74, 165)
HSL	hsl(230, 50%, 43%)
HSV	hsv(230, 67%, 65%)
CMYK	cmyk(66.7%, 55.2%, 0%, 35.3%)
CIE-LAB	lab(34.85, 23.08, -51.44)
CIE-LCH	lch(34.85, 56.38, 294.17°)
OKLab	oklab(44.72% 0.0011 -0.1478)
OKLCH	oklch(44.72% 0.148 270.4)
XYZ	xyz(10.8136, 8.4254, 36.6464)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374AA5 #A59237

analogous

#3781A5 #374AA5 #5B37A5

triadic

#374AA5 #A5374A #4AA537

tetradic

#374AA5 #A53781 #A59237 #37A55B

square

#374AA5 #A53781 #A59237 #37A55B

split-complementary

#374AA5 #A55B37 #81A537

monochromatic

#182149 #283577 #374AA5 #5367C6 #8190D5

Accessibility & contrast

On white

7.82

#374AA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#374AA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374AA5

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374AA5	#FFFFFF	#000000	##FFFFFF
##374AA5	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0357A8

Deuteranopia (green-blind)

#004DA3

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #374aa5;
/* rgb */ color: rgb(55, 74, 165);
/* oklch */ color: oklch(44.7% 0.148 270.4);

Tailwind

colors: {
  custom: {
    50: '#7a7cc0',
    500: '#374aa5',
    950: '#000000',
  },
}

SCSS

$custom: #374aa5;
$custom-light: #7a7cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#374aa5",
  "rgb": {
    "r": 55,
    "g": 74,
    "b": 165
  },
  "hsl": {
    "h": 229.636,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.44716,
    "c": 0.14785,
    "h": 270.4
  },
  "luminance": 0.08426
}

Semantic roles & 50–950 ramp

primary

#374AA5

secondary

#BFB379

accent

#C14EDA

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374AA5

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

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