#2F4E88#2F4E88

#2F4E88 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.0% C 0.103 H 261.8°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#2F4E88
RGB	rgb(47, 78, 136)
HSL	hsl(219, 49%, 36%)
HSV	hsv(219, 65%, 53%)
CMYK	cmyk(65.4%, 42.6%, 0%, 46.7%)
CIE-LAB	lab(33.63, 8.27, -35.85)
CIE-LCH	lch(33.63, 36.79, 282.99°)
OKLab	oklab(43.04% -0.0147 -0.1021)
OKLCH	oklch(43.04% 0.103 261.8)
XYZ	xyz(8.3391, 7.8299, 24.3596)
Luminance	0.0783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4E88 #88692F

analogous

#2F7A88 #2F4E88 #3C2F88

triadic

#2F4E88 #882F4E #4E882F

tetradic

#2F4E88 #882F7A #88692F #2F883C

square

#2F4E88 #882F7A #88692F #2F883C

split-complementary

#2F4E88 #883C2F #7A882F

monochromatic

#101A2D #1F345B #2F4E88 #3F68B5 #678ACA

Accessibility & contrast

On white

8.18

#2F4E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2F4E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4E88

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4E88	#FFFFFF	#000000	##FFFFFF
##2F4E88	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34548A

Deuteranopia (green-blind)

#274B87

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f4e88;
/* rgb */ color: rgb(47, 78, 136);
/* oklch */ color: oklch(43.0% 0.103 261.8);

Tailwind

colors: {
  custom: {
    50: '#717fab',
    500: '#2f4e88',
    950: '#000000',
  },
}

SCSS

$custom: #2f4e88;
$custom-light: #717fab;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4e88",
  "rgb": {
    "r": 47,
    "g": 78,
    "b": 136
  },
  "hsl": {
    "h": 219.101,
    "s": 48.634,
    "l": 35.882
  },
  "oklch": {
    "l": 0.43044,
    "c": 0.10318,
    "h": 261.8
  },
  "luminance": 0.07831
}

Semantic roles & 50–950 ramp

primary

#2F4E88

secondary

#B19661

accent

#A950D8

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2F4E88

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

Preview Lab → · Contrast checker → · Palette generator →