#2F528B#2F528B

#2F528B is a dark, moderate blue. Relative luminance 0.085; OKLCH L 44.2% C 0.103 H 259.7°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#2F528B
RGB	rgb(47, 82, 139)
HSL	hsl(217, 49%, 36%)
HSV	hsv(217, 66%, 55%)
CMYK	cmyk(66.2%, 41%, 0%, 45.5%)
CIE-LAB	lab(35.01, 6.75, -35.49)
CIE-LCH	lch(35.01, 36.13, 280.76°)
OKLab	oklab(44.17% -0.0184 -0.101)
OKLCH	oklch(44.17% 0.103 259.7)
XYZ	xyz(8.8481, 8.5022, 25.5959)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F528B #8B682F

analogous

#2F808B #2F528B #3A2F8B

triadic

#2F528B #8B2F52 #528B2F

tetradic

#2F528B #8B2F80 #8B682F #2F8B3A

square

#2F528B #8B2F80 #8B682F #2F8B3A

split-complementary

#2F528B #8B3A2F #808B2F

monochromatic

#101C30 #20375D #2F528B #3E6DB9 #688ECC

Accessibility & contrast

On white

7.78

#2F528B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2F528B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F528B

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F528B	#FFFFFF	#000000	##FFFFFF
##2F528B	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39578D

Deuteranopia (green-blind)

#2B4E8A

Tritanopia (blue-blind)

#005F67

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2f528b;
/* rgb */ color: rgb(47, 82, 139);
/* oklch */ color: oklch(44.2% 0.103 259.7);

Tailwind

colors: {
  custom: {
    50: '#7182ad',
    500: '#2f528b',
    950: '#000000',
  },
}

SCSS

$custom: #2f528b;
$custom-light: #7182ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2f528b",
  "rgb": {
    "r": 47,
    "g": 82,
    "b": 139
  },
  "hsl": {
    "h": 217.174,
    "s": 49.462,
    "l": 36.471
  },
  "oklch": {
    "l": 0.44171,
    "c": 0.10267,
    "h": 259.7
  },
  "luminance": 0.08503
}

Semantic roles & 50–950 ramp

primary

#2F528B

secondary

#B39563

accent

#A44FD9

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2F528B

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

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