#2F4581#2F4581

#2F4581 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.5% C 0.104 H 266.6°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#2F4581
RGB	rgb(47, 69, 129)
HSL	hsl(224, 47%, 35%)
HSV	hsv(224, 64%, 51%)
CMYK	cmyk(63.6%, 46.5%, 0%, 49.4%)
CIE-LAB	lab(30.51, 11.69, -36.50)
CIE-LCH	lch(30.51, 38.33, 287.76°)
OKLab	oklab(40.5% -0.0061 -0.1042)
OKLCH	oklch(40.5% 0.104 266.6)
XYZ	xyz(7.2615, 6.4449, 21.6259)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4581 #816B2F

analogous

#2F6E81 #2F4581 #422F81

triadic

#2F4581 #812F45 #45812F

tetradic

#2F4581 #812F6E #816B2F #2F8142

square

#2F4581 #812F6E #816B2F #2F8142

split-complementary

#2F4581 #81422F #6E812F

monochromatic

#0E1527 #1F2D54 #2F4581 #3F5DAE #647EC6

Accessibility & contrast

On white

9.17

#2F4581 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2F4581 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4581

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4581	#FFFFFF	#000000	##FFFFFF
##2F4581	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294C83

Deuteranopia (green-blind)

#1C4480

Tritanopia (blue-blind)

#00535C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f4581;
/* rgb */ color: rgb(47, 69, 129);
/* oklch */ color: oklch(40.5% 0.104 266.6);

Tailwind

colors: {
  custom: {
    50: '#7078a6',
    500: '#2f4581',
    950: '#000000',
  },
}

SCSS

$custom: #2f4581;
$custom-light: #7078a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4581",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 129
  },
  "hsl": {
    "h": 223.902,
    "s": 46.591,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40504,
    "c": 0.10435,
    "h": 266.6
  },
  "luminance": 0.06446
}

Semantic roles & 50–950 ramp

primary

#2F4581

secondary

#AD985E

accent

#B352D6

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2F4581

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

Preview Lab → · Contrast checker → · Palette generator →