#2F4D8E#2F4D8E

#2F4D8E is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.2% C 0.113 H 263.7°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#2F4D8E
RGB	rgb(47, 77, 142)
HSL	hsl(221, 50%, 37%)
HSV	hsv(221, 67%, 56%)
CMYK	cmyk(66.9%, 45.8%, 0%, 44.3%)
CIE-LAB	lab(33.70, 11.18, -39.41)
CIE-LCH	lch(33.70, 40.96, 285.83°)
OKLab	oklab(43.22% -0.0124 -0.1126)
OKLCH	oklch(43.22% 0.113 263.7)
XYZ	xyz(8.7069, 7.8643, 26.6450)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4D8E #8E702F

analogous

#2F7D8E #2F4D8E #412F8E

triadic

#2F4D8E #8E2F4D #4D8E2F

tetradic

#2F4D8E #8E2F7D #8E702F #2F8E41

square

#2F4D8E #8E2F7D #8E702F #2F8E41

split-complementary

#2F4D8E #8E412F #7D8E2F

monochromatic

#111B32 #203460 #2F4D8E #3E66BC #6A89CE

Accessibility & contrast

On white

8.16

#2F4D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2F4D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4D8E

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4D8E	#FFFFFF	#000000	##FFFFFF
##2F4D8E	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5490

Deuteranopia (green-blind)

#1E4B8D

Tritanopia (blue-blind)

#005C66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f4d8e;
/* rgb */ color: rgb(47, 77, 142);
/* oklch */ color: oklch(43.2% 0.113 263.7);

Tailwind

colors: {
  custom: {
    50: '#727eaf',
    500: '#2f4d8e',
    950: '#000000',
  },
}

SCSS

$custom: #2f4d8e;
$custom-light: #727eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4d8e",
  "rgb": {
    "r": 47,
    "g": 77,
    "b": 142
  },
  "hsl": {
    "h": 221.053,
    "s": 50.265,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4322,
    "c": 0.11328,
    "h": 263.7
  },
  "luminance": 0.07865
}

Semantic roles & 50–950 ramp

primary

#2F4D8E

secondary

#B59B64

accent

#AE4EDA

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #2F4D8E

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

Preview Lab → · Contrast checker → · Palette generator →