#2F3E83#2F3E83

#2F3E83 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 39.1% C 0.117 H 270.9°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#2F3E83
RGB	rgb(47, 62, 131)
HSL	hsl(229, 47%, 35%)
HSV	hsv(229, 64%, 51%)
CMYK	cmyk(64.1%, 52.7%, 0%, 48.6%)
CIE-LAB	lab(28.61, 17.20, -40.80)
CIE-LCH	lch(28.61, 44.27, 292.86°)
OKLab	oklab(39.1% 0.0018 -0.1169)
OKLCH	oklch(39.1% 0.117 270.9)
XYZ	xyz(6.9903, 5.6877, 22.1978)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3E83 #83742F

analogous

#2F6883 #2F3E83 #4A2F83

triadic

#2F3E83 #832F3E #3E832F

tetradic

#2F3E83 #832F68 #83742F #2F834A

square

#2F3E83 #832F68 #83742F #2F834A

split-complementary

#2F3E83 #834A2F #68832F

monochromatic

#0F1329 #1F2956 #2F3E83 #3F53B0 #6576C8

Accessibility & contrast

On white

9.82

#2F3E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2F3E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3E83

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3E83	#FFFFFF	#000000	##FFFFFF
##2F3E83	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174785

Deuteranopia (green-blind)

#014082

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f3e83;
/* rgb */ color: rgb(47, 62, 131);
/* oklch */ color: oklch(39.1% 0.117 270.9);

Tailwind

colors: {
  custom: {
    50: '#7173a7',
    500: '#2f3e83',
    950: '#000000',
  },
}

SCSS

$custom: #2f3e83;
$custom-light: #7173a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3e83",
  "rgb": {
    "r": 47,
    "g": 62,
    "b": 131
  },
  "hsl": {
    "h": 229.286,
    "s": 47.191,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39103,
    "c": 0.11689,
    "h": 270.9
  },
  "luminance": 0.05688
}

Semantic roles & 50–950 ramp

primary

#2F3E83

secondary

#AFA05F

accent

#BF51D7

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2F3E83

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

Preview Lab → · Contrast checker → · Palette generator →