#2F458B#2F458B

#2F458B is a dark, moderate blue. Relative luminance 0.067; OKLCH L 41.2% C 0.119 H 267.8°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#2F458B
RGB	rgb(47, 69, 139)
HSL	hsl(226, 49%, 36%)
HSV	hsv(226, 66%, 55%)
CMYK	cmyk(66.2%, 50.4%, 0%, 45.5%)
CIE-LAB	lab(31.17, 15.43, -41.63)
CIE-LCH	lch(31.17, 44.40, 290.34°)
OKLab	oklab(41.22% -0.0046 -0.1192)
OKLCH	oklch(41.22% 0.119 267.8)
XYZ	xyz(7.9590, 6.7239, 25.2995)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F458B #8B752F

analogous

#2F738B #2F458B #472F8B

triadic

#2F458B #8B2F45 #458B2F

tetradic

#2F458B #8B2F73 #8B752F #2F8B47

square

#2F458B #8B2F73 #8B752F #2F8B47

split-complementary

#2F458B #8B472F #738B2F

monochromatic

#101830 #202E5D #2F458B #3E5CB9 #6880CC

Accessibility & contrast

On white

8.96

#2F458B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F458B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F458B

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F458B	#FFFFFF	#000000	##FFFFFF
##2F458B	1.00	8.96	2.35	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204E8E

Deuteranopia (green-blind)

#09458A

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f458b;
/* rgb */ color: rgb(47, 69, 139);
/* oklch */ color: oklch(41.2% 0.119 267.8);

Tailwind

colors: {
  custom: {
    50: '#7278ad',
    500: '#2f458b',
    950: '#000000',
  },
}

SCSS

$custom: #2f458b;
$custom-light: #7278ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2f458b",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 139
  },
  "hsl": {
    "h": 225.652,
    "s": 49.462,
    "l": 36.471
  },
  "oklch": {
    "l": 0.41223,
    "c": 0.11932,
    "h": 267.8
  },
  "luminance": 0.06725
}

Semantic roles & 50–950 ramp

primary

#2F458B

secondary

#B3A063

accent

#B84FD9

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2F458B

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

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