#2F51BD#2F51BD

#2F51BD is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.6% C 0.174 H 266.4°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#2F51BD
RGB	rgb(47, 81, 189)
HSL	hsl(226, 60%, 46%)
HSV	hsv(226, 75%, 74%)
CMYK	cmyk(75.1%, 57.1%, 0%, 25.9%)
CIE-LAB	lab(38.13, 26.24, -60.35)
CIE-LCH	lch(38.13, 65.80, 293.50°)
OKLab	oklab(47.64% -0.0109 -0.1741)
OKLCH	oklch(47.64% 0.174 266.4)
XYZ	xyz(13.2968, 10.1619, 49.3949)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F51BD #BD9B2F

analogous

#2F98BD #2F51BD #542FBD

triadic

#2F51BD #BD2F51 #51BD2F

tetradic

#2F51BD #BD2F98 #BD9B2F #2FBD54

square

#2F51BD #BD2F98 #BD9B2F #2FBD54

split-complementary

#2F51BD #BD542F #98BD2F

monochromatic

#17275B #233C8C #2F51BD #5573D5 #869BE1

Accessibility & contrast

On white

6.92

#2F51BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2F51BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F51BD

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F51BD	#FFFFFF	#000000	##FFFFFF
##2F51BD	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C1

Deuteranopia (green-blind)

#0053BB

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2f51bd;
/* rgb */ color: rgb(47, 81, 189);
/* oklch */ color: oklch(47.6% 0.174 266.4);

Tailwind

colors: {
  custom: {
    50: '#7c81d2',
    500: '#2f51bd',
    950: '#000000',
  },
}

SCSS

$custom: #2f51bd;
$custom-light: #7c81d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f51bd",
  "rgb": {
    "r": 47,
    "g": 81,
    "b": 189
  },
  "hsl": {
    "h": 225.634,
    "s": 60.169,
    "l": 46.275
  },
  "oklch": {
    "l": 0.47639,
    "c": 0.17445,
    "h": 266.4
  },
  "luminance": 0.10163
}

Semantic roles & 50–950 ramp

primary

#2F51BD

secondary

#CAB87E

accent

#BD44E3

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2F51BD

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

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