#2F45A4#2F45A4

#2F45A4 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.2% C 0.155 H 269.0°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#2F45A4
RGB	rgb(47, 69, 164)
HSL	hsl(229, 55%, 41%)
HSV	hsv(229, 71%, 64%)
CMYK	cmyk(71.3%, 57.9%, 0%, 35.7%)
CIE-LAB	lab(33.01, 24.80, -53.86)
CIE-LCH	lch(33.01, 59.30, 294.73°)
OKLab	oklab(43.19% -0.0027 -0.1552)
OKLCH	oklch(43.19% 0.155 269)
XYZ	xyz(9.9989, 7.5399, 36.0432)
Luminance	0.0754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45A4 #A48E2F

analogous

#2F80A4 #2F45A4 #542FA4

triadic

#2F45A4 #A42F45 #45A42F

tetradic

#2F45A4 #A42F80 #A48E2F #2FA454

square

#2F45A4 #A42F80 #A48E2F #2FA454

split-complementary

#2F45A4 #A4542F #80A42F

monochromatic

#141D45 #213174 #2F45A4 #465FCA #7688D8

Accessibility & contrast

On white

8.37

#2F45A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2F45A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45A4

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45A4	#FFFFFF	#000000	##FFFFFF
##2F45A4	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A7

Deuteranopia (green-blind)

#0048A2

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f45a4;
/* rgb */ color: rgb(47, 69, 164);
/* oklch */ color: oklch(43.2% 0.155 269.0);

Tailwind

colors: {
  custom: {
    50: '#7778c0',
    500: '#2f45a4',
    950: '#000000',
  },
}

SCSS

$custom: #2f45a4;
$custom-light: #7778c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45a4",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 164
  },
  "hsl": {
    "h": 228.718,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.4319,
    "c": 0.15524,
    "h": 269
  },
  "luminance": 0.07541
}

Semantic roles & 50–950 ramp

primary

#2F45A4

secondary

#C0B06F

accent

#C349DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F45A4

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

Preview Lab → · Contrast checker → · Palette generator →