#2F457E#2F457E

#2F457E is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.3% C 0.100 H 266.2°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#2F457E
RGB	rgb(47, 69, 126)
HSL	hsl(223, 46%, 34%)
HSV	hsv(223, 63%, 49%)
CMYK	cmyk(62.7%, 45.2%, 0%, 50.6%)
CIE-LAB	lab(30.32, 10.58, -34.94)
CIE-LCH	lch(30.32, 36.51, 286.85°)
OKLab	oklab(40.3% -0.0067 -0.0996)
OKLCH	oklch(40.3% 0.1 266.2)
XYZ	xyz(7.0650, 6.3663, 20.5911)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F457E #7E682F

analogous

#2F6D7E #2F457E #412F7E

triadic

#2F457E #7E2F45 #457E2F

tetradic

#2F457E #7E2F6D #7E682F #2F7E41

square

#2F457E #7E2F6D #7E682F #2F7E41

split-complementary

#2F457E #7E412F #6D7E2F

monochromatic

#0E1425 #1E2D51 #2F457E #405DAB #637EC5

Accessibility & contrast

On white

9.24

#2F457E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2F457E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F457E

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F457E	#FFFFFF	#000000	##FFFFFF
##2F457E	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4B80

Deuteranopia (green-blind)

#20447D

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f457e;
/* rgb */ color: rgb(47, 69, 126);
/* oklch */ color: oklch(40.3% 0.100 266.2);

Tailwind

colors: {
  custom: {
    50: '#6f78a4',
    500: '#2f457e',
    950: '#000000',
  },
}

SCSS

$custom: #2f457e;
$custom-light: #6f78a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f457e",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 126
  },
  "hsl": {
    "h": 223.291,
    "s": 45.665,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40297,
    "c": 0.09979,
    "h": 266.2
  },
  "luminance": 0.06367
}

Semantic roles & 50–950 ramp

primary

#2F457E

secondary

#AC965D

accent

#B152D5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2F457E

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

Preview Lab → · Contrast checker → · Palette generator →