#2F3481#2F3481

#2F3481 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.128 H 275.4°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#2F3481
RGB	rgb(47, 52, 129)
HSL	hsl(236, 47%, 35%)
HSV	hsv(236, 64%, 51%)
CMYK	cmyk(63.6%, 59.7%, 0%, 49.4%)
CIE-LAB	lab(25.70, 23.27, -44.26)
CIE-LCH	lch(25.70, 50.00, 297.74°)
OKLab	oklab(36.87% 0.012 -0.1272)
OKLCH	oklch(36.87% 0.128 275.4)
XYZ	xyz(6.3614, 4.6448, 21.3259)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3481 #817C2F

analogous

#2F5D81 #2F3481 #532F81

triadic

#2F3481 #812F34 #34812F

tetradic

#2F3481 #812F5D #817C2F #2F8153

square

#2F3481 #812F5D #817C2F #2F8153

split-complementary

#2F3481 #81532F #5D812F

monochromatic

#0E1027 #1F2254 #2F3481 #3F46AE #646AC6

Accessibility & contrast

On white

10.89

#2F3481 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2F3481 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3481

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3481	#FFFFFF	#000000	##FFFFFF
##2F3481	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004084

Deuteranopia (green-blind)

#00397F

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f3481;
/* rgb */ color: rgb(47, 52, 129);
/* oklch */ color: oklch(36.9% 0.128 275.4);

Tailwind

colors: {
  custom: {
    50: '#716ba6',
    500: '#2f3481',
    950: '#000000',
  },
}

SCSS

$custom: #2f3481;
$custom-light: #716ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3481",
  "rgb": {
    "r": 47,
    "g": 52,
    "b": 129
  },
  "hsl": {
    "h": 236.341,
    "s": 46.591,
    "l": 34.51
  },
  "oklch": {
    "l": 0.36871,
    "c": 0.12774,
    "h": 275.4
  },
  "luminance": 0.04645
}

Semantic roles & 50–950 ramp

primary

#2F3481

secondary

#ADA95E

accent

#CE52D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F3481

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

Preview Lab → · Contrast checker → · Palette generator →