#2F43A8#2F43A8

#2F43A8 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.163 H 269.6°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#2F43A8
RGB	rgb(47, 67, 168)
HSL	hsl(230, 56%, 42%)
HSV	hsv(230, 72%, 66%)
CMYK	cmyk(72%, 60.1%, 0%, 34.1%)
CIE-LAB	lab(32.80, 27.61, -56.60)
CIE-LCH	lch(32.80, 62.97, 296.01°)
OKLab	oklab(43.14% -0.001 -0.1633)
OKLCH	oklch(43.14% 0.163 269.6)
XYZ	xyz(10.2449, 7.4448, 37.9353)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F43A8 #A8942F

analogous

#2F7FA8 #2F43A8 #582FA8

triadic

#2F43A8 #A82F43 #43A82F

tetradic

#2F43A8 #A82F7F #A8942F #2FA858

square

#2F43A8 #A82F7F #A8942F #2FA858

split-complementary

#2F43A8 #A8582F #7FA82F

monochromatic

#141D48 #223078 #2F43A8 #485ECC #7888D9

Accessibility & contrast

On white

8.44

#2F43A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2F43A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F43A8

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F43A8	#FFFFFF	#000000	##FFFFFF
##2F43A8	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AB

Deuteranopia (green-blind)

#0048A6

Tritanopia (blue-blind)

#005C6F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f43a8;
/* rgb */ color: rgb(47, 67, 168);
/* oklch */ color: oklch(43.1% 0.163 269.6);

Tailwind

colors: {
  custom: {
    50: '#7877c3',
    500: '#2f43a8',
    950: '#000000',
  },
}

SCSS

$custom: #2f43a8;
$custom-light: #7877c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f43a8",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 168
  },
  "hsl": {
    "h": 230.083,
    "s": 56.279,
    "l": 42.157
  },
  "oklch": {
    "l": 0.43135,
    "c": 0.16328,
    "h": 269.6
  },
  "luminance": 0.07446
}

Semantic roles & 50–950 ramp

primary

#2F43A8

secondary

#C1B471

accent

#C748E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F43A8

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

Preview Lab → · Contrast checker → · Palette generator →