#2F4183#2F4183

#2F4183 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.8% C 0.113 H 269.3°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#2F4183
RGB	rgb(47, 65, 131)
HSL	hsl(227, 47%, 35%)
HSV	hsv(227, 64%, 51%)
CMYK	cmyk(64.1%, 50.4%, 0%, 48.6%)
CIE-LAB	lab(29.47, 15.15, -39.41)
CIE-LCH	lch(29.47, 42.22, 291.03°)
OKLab	oklab(39.76% -0.0014 -0.1128)
OKLCH	oklch(39.76% 0.113 269.3)
XYZ	xyz(7.1579, 6.0230, 22.2537)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4183 #83712F

analogous

#2F6B83 #2F4183 #472F83

triadic

#2F4183 #832F41 #41832F

tetradic

#2F4183 #832F6B #83712F #2F8347

square

#2F4183 #832F6B #83712F #2F8347

split-complementary

#2F4183 #83472F #6B832F

monochromatic

#0F1429 #1F2B56 #2F4183 #3F57B0 #657AC8

Accessibility & contrast

On white

9.52

#2F4183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2F4183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4183

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4183	#FFFFFF	#000000	##FFFFFF
##2F4183	1.00	9.52	2.20	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4985

Deuteranopia (green-blind)

#0D4282

Tritanopia (blue-blind)

#00505B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f4183;
/* rgb */ color: rgb(47, 65, 131);
/* oklch */ color: oklch(39.8% 0.113 269.3);

Tailwind

colors: {
  custom: {
    50: '#7075a7',
    500: '#2f4183',
    950: '#000000',
  },
}

SCSS

$custom: #2f4183;
$custom-light: #7075a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4183",
  "rgb": {
    "r": 47,
    "g": 65,
    "b": 131
  },
  "hsl": {
    "h": 227.143,
    "s": 47.191,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39755,
    "c": 0.11278,
    "h": 269.3
  },
  "luminance": 0.06024
}

Semantic roles & 50–950 ramp

primary

#2F4183

secondary

#AF9E5F

accent

#BA51D7

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2F4183

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

Preview Lab → · Contrast checker → · Palette generator →