#2F578F#2F578F

#2F578F is a mid, moderate blue. Relative luminance 0.094; OKLCH L 45.6% C 0.103 H 257.1°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#2F578F
RGB	rgb(47, 87, 143)
HSL	hsl(215, 51%, 37%)
HSV	hsv(215, 67%, 56%)
CMYK	cmyk(67.1%, 39.2%, 0%, 43.9%)
CIE-LAB	lab(36.75, 4.97, -35.16)
CIE-LCH	lch(36.75, 35.51, 278.05°)
OKLab	oklab(45.6% -0.0228 -0.1)
OKLCH	oklch(45.6% 0.103 257.1)
XYZ	xyz(9.5366, 9.4030, 27.2936)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F578F #8F672F

analogous

#2F878F #2F578F #372F8F

triadic

#2F578F #8F2F57 #578F2F

tetradic

#2F578F #8F2F87 #8F672F #2F8F37

square

#2F578F #8F2F87 #8F672F #2F8F37

split-complementary

#2F578F #8F372F #878F2F

monochromatic

#111F33 #203B61 #2F578F #3E73BD #6A94CE

Accessibility & contrast

On white

7.29

#2F578F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#2F578F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F578F

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F578F	#FFFFFF	#000000	##FFFFFF
##2F578F	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5B91

Deuteranopia (green-blind)

#30528E

Tritanopia (blue-blind)

#00646C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f578f;
/* rgb */ color: rgb(47, 87, 143);
/* oklch */ color: oklch(45.6% 0.103 257.1);

Tailwind

colors: {
  custom: {
    50: '#7286b0',
    500: '#2f578f',
    950: '#000000',
  },
}

SCSS

$custom: #2f578f;
$custom-light: #7286b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f578f",
  "rgb": {
    "r": 47,
    "g": 87,
    "b": 143
  },
  "hsl": {
    "h": 215,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.45598,
    "c": 0.10254,
    "h": 257.1
  },
  "luminance": 0.09404
}

Semantic roles & 50–950 ramp

primary

#2F578F

secondary

#B59465

accent

#A04EDA

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #2F578F

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

Preview Lab → · Contrast checker → · Palette generator →