#2F30B8#2F30B8

#2F30B8 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.4% C 0.206 H 272.6°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#2F30B8
RGB	rgb(47, 48, 184)
HSL	hsl(240, 59%, 45%)
HSV	hsv(240, 74%, 72%)
CMYK	cmyk(74.5%, 73.9%, 0%, 27.8%)
CIE-LAB	lab(29.86, 45.10, -70.96)
CIE-LCH	lch(29.86, 84.08, 302.44°)
OKLab	oklab(41.44% 0.0093 -0.2053)
OKLCH	oklch(41.44% 0.206 272.6)
XYZ	xyz(10.8781, 6.1778, 45.9572)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F30B8 #B8B72F

analogous

#2F74B8 #2F30B8 #722FB8

triadic

#2F30B8 #B82F30 #30B82F

tetradic

#2F30B8 #B82F74 #B8B72F #2FB872

square

#2F30B8 #B82F74 #B8B72F #2FB872

split-complementary

#2F30B8 #B8722F #74B82F

monochromatic

#161757 #232387 #2F30B8 #5252D3 #8283DF

Accessibility & contrast

On white

9.39

#2F30B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2F30B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F30B8

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F30B8	#FFFFFF	#000000	##FFFFFF
##2F30B8	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBC

Deuteranopia (green-blind)

#0040B6

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f30b8;
/* rgb */ color: rgb(47, 48, 184);
/* oklch */ color: oklch(41.4% 0.206 272.6);

Tailwind

colors: {
  custom: {
    50: '#7e6acf',
    500: '#2f30b8',
    950: '#000000',
  },
}

SCSS

$custom: #2f30b8;
$custom-light: #7e6acf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f30b8",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 184
  },
  "hsl": {
    "h": 239.562,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.41444,
    "c": 0.20556,
    "h": 272.6
  },
  "luminance": 0.06179
}

Semantic roles & 50–950 ramp

primary

#2F30B8

secondary

#C8C87B

accent

#E145E2

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #2F30B8

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

Preview Lab → · Contrast checker → · Palette generator →