#2F529B#2F529B

#2F529B is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.3% C 0.126 H 263.1°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#2F529B
RGB	rgb(47, 82, 155)
HSL	hsl(221, 53%, 40%)
HSV	hsv(221, 70%, 61%)
CMYK	cmyk(69.7%, 47.1%, 0%, 39.2%)
CIE-LAB	lab(35.99, 12.75, -43.62)
CIE-LCH	lch(35.99, 45.44, 286.29°)
OKLab	oklab(45.25% -0.0152 -0.1249)
OKLCH	oklch(45.25% 0.126 263.1)
XYZ	xyz(10.1039, 9.0045, 32.2095)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F529B #9B782F

analogous

#2F889B #2F529B #422F9B

triadic

#2F529B #9B2F52 #529B2F

tetradic

#2F529B #9B2F88 #9B782F #2F9B42

square

#2F529B #9B2F88 #9B782F #2F9B42

split-complementary

#2F529B #9B422F #889B2F

monochromatic

#13203D #21396C #2F529B #426CC6 #7191D4

Accessibility & contrast

On white

7.50

#2F529B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#2F529B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F529B

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F529B	#FFFFFF	#000000	##FFFFFF
##2F529B	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5A9E

Deuteranopia (green-blind)

#17509A

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2f529b;
/* rgb */ color: rgb(47, 82, 155);
/* oklch */ color: oklch(45.3% 0.126 263.1);

Tailwind

colors: {
  custom: {
    50: '#7582b9',
    500: '#2f529b',
    950: '#000000',
  },
}

SCSS

$custom: #2f529b;
$custom-light: #7582b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f529b",
  "rgb": {
    "r": 47,
    "g": 82,
    "b": 155
  },
  "hsl": {
    "h": 220.556,
    "s": 53.465,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4525,
    "c": 0.1258,
    "h": 263.1
  },
  "luminance": 0.09005
}

Semantic roles & 50–950 ramp

primary

#2F529B

secondary

#BBA16A

accent

#AE4BDD

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2F529B

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

Preview Lab → · Contrast checker → · Palette generator →