#2F538F#2F538F

#2F538F is a dark, moderate blue. Relative luminance 0.088; OKLCH L 44.7% C 0.107 H 260.0°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#2F538F
RGB	rgb(47, 83, 143)
HSL	hsl(218, 51%, 37%)
HSV	hsv(218, 67%, 56%)
CMYK	cmyk(67.1%, 42%, 0%, 43.9%)
CIE-LAB	lab(35.54, 7.58, -37.07)
CIE-LCH	lch(35.54, 37.84, 281.56°)
OKLab	oklab(44.66% -0.0185 -0.1056)
OKLCH	oklch(44.66% 0.107 260)
XYZ	xyz(9.2217, 8.7731, 27.1887)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F538F #8F6B2F

analogous

#2F838F #2F538F #3B2F8F

triadic

#2F538F #8F2F53 #538F2F

tetradic

#2F538F #8F2F83 #8F6B2F #2F8F3B

square

#2F538F #8F2F83 #8F6B2F #2F8F3B

split-complementary

#2F538F #8F3B2F #838F2F

monochromatic

#111E33 #203861 #2F538F #3E6EBD #6A90CE

Accessibility & contrast

On white

7.62

#2F538F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#2F538F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F538F

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F538F	#FFFFFF	#000000	##FFFFFF
##2F538F	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385891

Deuteranopia (green-blind)

#294F8E

Tritanopia (blue-blind)

#00616A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f538f;
/* rgb */ color: rgb(47, 83, 143);
/* oklch */ color: oklch(44.7% 0.107 260.0);

Tailwind

colors: {
  custom: {
    50: '#7282b0',
    500: '#2f538f',
    950: '#000000',
  },
}

SCSS

$custom: #2f538f;
$custom-light: #7282b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f538f",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 143
  },
  "hsl": {
    "h": 217.5,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.44663,
    "c": 0.10726,
    "h": 260
  },
  "luminance": 0.08774
}

Semantic roles & 50–950 ramp

primary

#2F538F

secondary

#B59765

accent

#A54EDA

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #2F538F

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

Preview Lab → · Contrast checker → · Palette generator →