#2F45AC#2F45AC

#2F45AC is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.9% C 0.166 H 269.1°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#2F45AC
RGB	rgb(47, 69, 172)
HSL	hsl(229, 57%, 43%)
HSV	hsv(229, 73%, 67%)
CMYK	cmyk(72.7%, 59.9%, 0%, 32.5%)
CIE-LAB	lab(33.64, 27.78, -57.61)
CIE-LCH	lch(33.64, 63.96, 295.74°)
OKLab	oklab(43.86% -0.0025 -0.1662)
OKLCH	oklch(43.86% 0.166 269.1)
XYZ	xyz(10.7442, 7.8380, 39.9684)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45AC #AC962F

analogous

#2F83AC #2F45AC #572FAC

triadic

#2F45AC #AC2F45 #45AC2F

tetradic

#2F45AC #AC2F83 #AC962F #2FAC57

square

#2F45AC #AC2F83 #AC962F #2FAC57

split-complementary

#2F45AC #AC572F #83AC2F

monochromatic

#151E4C #22327C #2F45AC #4B62CE #7B8CDB

Accessibility & contrast

On white

8.18

#2F45AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2F45AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45AC

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45AC	#FFFFFF	#000000	##FFFFFF
##2F45AC	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AF

Deuteranopia (green-blind)

#0049AA

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f45ac;
/* rgb */ color: rgb(47, 69, 172);
/* oklch */ color: oklch(43.9% 0.166 269.1);

Tailwind

colors: {
  custom: {
    50: '#7978c6',
    500: '#2f45ac',
    950: '#000000',
  },
}

SCSS

$custom: #2f45ac;
$custom-light: #7978c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45ac",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 172
  },
  "hsl": {
    "h": 229.44,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.43865,
    "c": 0.16626,
    "h": 269.1
  },
  "luminance": 0.07839
}

Semantic roles & 50–950 ramp

primary

#2F45AC

secondary

#C3B574

accent

#C547E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F45AC

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

Preview Lab → · Contrast checker → · Palette generator →