#2F53BC#2F53BC

#2F53BC is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.0% C 0.171 H 265.8°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#2F53BC
RGB	rgb(47, 83, 188)
HSL	hsl(225, 60%, 46%)
HSV	hsv(225, 75%, 74%)
CMYK	cmyk(75%, 55.9%, 0%, 26.3%)
CIE-LAB	lab(38.59, 24.55, -59.02)
CIE-LCH	lch(38.59, 63.92, 292.59°)
OKLab	oklab(47.96% -0.0124 -0.1702)
OKLCH	oklch(47.96% 0.171 265.8)
XYZ	xyz(13.3395, 10.4202, 48.8755)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F53BC #BC982F

analogous

#2F99BC #2F53BC #512FBC

triadic

#2F53BC #BC2F53 #53BC2F

tetradic

#2F53BC #BC2F99 #BC982F #2FBC51

square

#2F53BC #BC2F99 #BC982F #2FBC51

split-complementary

#2F53BC #BC512F #99BC2F

monochromatic

#17285A #233D8B #2F53BC #5475D4 #859CE0

Accessibility & contrast

On white

6.81

#2F53BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2F53BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F53BC

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F53BC	#FFFFFF	#000000	##FFFFFF
##2F53BC	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0055BA

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2f53bc;
/* rgb */ color: rgb(47, 83, 188);
/* oklch */ color: oklch(48.0% 0.171 265.8);

Tailwind

colors: {
  custom: {
    50: '#7c82d1',
    500: '#2f53bc',
    950: '#000000',
  },
}

SCSS

$custom: #2f53bc;
$custom-light: #7c82d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f53bc",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 188
  },
  "hsl": {
    "h": 224.681,
    "s": 60,
    "l": 46.078
  },
  "oklch": {
    "l": 0.47957,
    "c": 0.17063,
    "h": 265.8
  },
  "luminance": 0.10422
}

Semantic roles & 50–950 ramp

primary

#2F53BC

secondary

#CAB67D

accent

#BB45E3

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2F53BC

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

Preview Lab → · Contrast checker → · Palette generator →