#2F45A5#2F45A5

#2F45A5 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.3% C 0.157 H 269.0°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#2F45A5
RGB	rgb(47, 69, 165)
HSL	hsl(229, 56%, 42%)
HSV	hsv(229, 72%, 65%)
CMYK	cmyk(71.5%, 58.2%, 0%, 35.3%)
CIE-LAB	lab(33.08, 25.18, -54.33)
CIE-LCH	lch(33.08, 59.88, 294.86°)
OKLab	oklab(43.27% -0.0026 -0.1566)
OKLCH	oklch(43.27% 0.157 269)
XYZ	xyz(10.0896, 7.5762, 36.5206)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45A5 #A58F2F

analogous

#2F80A5 #2F45A5 #542FA5

triadic

#2F45A5 #A52F45 #45A52F

tetradic

#2F45A5 #A52F80 #A58F2F #2FA554

square

#2F45A5 #A52F80 #A58F2F #2FA554

split-complementary

#2F45A5 #A5542F #80A52F

monochromatic

#141D46 #213175 #2F45A5 #475FCB #7689D8

Accessibility & contrast

On white

8.35

#2F45A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2F45A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45A5

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45A5	#FFFFFF	#000000	##FFFFFF
##2F45A5	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A8

Deuteranopia (green-blind)

#0049A3

Tritanopia (blue-blind)

#005D6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f45a5;
/* rgb */ color: rgb(47, 69, 165);
/* oklch */ color: oklch(43.3% 0.157 269.0);

Tailwind

colors: {
  custom: {
    50: '#7778c0',
    500: '#2f45a5',
    950: '#000000',
  },
}

SCSS

$custom: #2f45a5;
$custom-light: #7778c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45a5",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 165
  },
  "hsl": {
    "h": 228.814,
    "s": 55.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43273,
    "c": 0.15663,
    "h": 269
  },
  "luminance": 0.07577
}

Semantic roles & 50–950 ramp

primary

#2F45A5

secondary

#C0B170

accent

#C349DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F45A5

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

Preview Lab → · Contrast checker → · Palette generator →