#2F3DA8#2F3DA8

#2F3DA8 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.0% C 0.171 H 271.2°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#2F3DA8
RGB	rgb(47, 61, 168)
HSL	hsl(233, 56%, 42%)
HSV	hsv(233, 72%, 66%)
CMYK	cmyk(72%, 63.7%, 0%, 34.1%)
CIE-LAB	lab(31.27, 31.54, -59.09)
CIE-LCH	lch(31.27, 66.98, 298.09°)
OKLab	oklab(42.01% 0.0034 -0.1706)
OKLCH	oklch(42.01% 0.171 271.2)
XYZ	xyz(9.9065, 6.7680, 37.8225)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3DA8 #A89A2F

analogous

#2F7AA8 #2F3DA8 #5E2FA8

triadic

#2F3DA8 #A82F3D #3DA82F

tetradic

#2F3DA8 #A82F7A #A89A2F #2FA85E

square

#2F3DA8 #A82F7A #A89A2F #2FA85E

split-complementary

#2F3DA8 #A85E2F #7AA82F

monochromatic

#141A48 #222C78 #2F3DA8 #4858CC #7883D9

Accessibility & contrast

On white

8.92

#2F3DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F3DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3DA8

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3DA8	#FFFFFF	#000000	##FFFFFF
##2F3DA8	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAB

Deuteranopia (green-blind)

#0044A6

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f3da8;
/* rgb */ color: rgb(47, 61, 168);
/* oklch */ color: oklch(42.0% 0.171 271.2);

Tailwind

colors: {
  custom: {
    50: '#7972c3',
    500: '#2f3da8',
    950: '#000000',
  },
}

SCSS

$custom: #2f3da8;
$custom-light: #7972c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3da8",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 168
  },
  "hsl": {
    "h": 233.058,
    "s": 56.279,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42007,
    "c": 0.17068,
    "h": 271.2
  },
  "luminance": 0.06769
}

Semantic roles & 50–950 ramp

primary

#2F3DA8

secondary

#C1B871

accent

#CE48E0

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F3DA8

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

Preview Lab → · Contrast checker → · Palette generator →