#2F33B6#2F33B6

#2F33B6 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.7% C 0.200 H 272.3°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#2F33B6
RGB	rgb(47, 51, 182)
HSL	hsl(238, 59%, 45%)
HSV	hsv(238, 74%, 71%)
CMYK	cmyk(74.2%, 72%, 0%, 28.6%)
CIE-LAB	lab(30.27, 42.69, -69.08)
CIE-LCH	lch(30.27, 81.21, 301.72°)
OKLab	oklab(41.68% 0.0081 -0.1999)
OKLCH	oklch(41.68% 0.2 272.3)
XYZ	xyz(10.7968, 6.3483, 44.9032)
Luminance	0.0635 (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

#2F33B6 #B6B22F

analogous

#2F77B6 #2F33B6 #6E2FB6

triadic

#2F33B6 #B62F33 #33B62F

tetradic

#2F33B6 #B62F77 #B6B22F #2FB66E

square

#2F33B6 #B62F77 #B6B22F #2FB66E

split-complementary

#2F33B6 #B66E2F #77B62F

monochromatic

#161855 #222585 #2F33B6 #5054D2 #8184DE

Accessibility & contrast

On white

9.25

#2F33B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2F33B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33B6

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33B6	#FFFFFF	#000000	##FFFFFF
##2F33B6	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBA

Deuteranopia (green-blind)

#0041B4

Tritanopia (blue-blind)

#005871

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f33b6;
/* rgb */ color: rgb(47, 51, 182);
/* oklch */ color: oklch(41.7% 0.200 272.3);

Tailwind

colors: {
  custom: {
    50: '#7d6ccd',
    500: '#2f33b6',
    950: '#000000',
  },
}

SCSS

$custom: #2f33b6;
$custom-light: #7d6ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33b6",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 182
  },
  "hsl": {
    "h": 238.222,
    "s": 58.952,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41681,
    "c": 0.20007,
    "h": 272.3
  },
  "luminance": 0.06349
}

Semantic roles & 50–950 ramp

primary

#2F33B6

secondary

#C7C579

accent

#DE46E2

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2F33B6

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

Preview Lab → · Contrast checker → · Palette generator →