#2F307E#2F307E

#2F307E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.129 H 277.1°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#2F307E
RGB	rgb(47, 48, 126)
HSL	hsl(239, 46%, 34%)
HSV	hsv(239, 63%, 49%)
CMYK	cmyk(62.7%, 61.9%, 0%, 50.6%)
CIE-LAB	lab(24.40, 24.89, -44.48)
CIE-LCH	lch(24.40, 50.97, 299.23°)
OKLab	oklab(35.83% 0.016 -0.1279)
OKLCH	oklch(35.83% 0.129 277.1)
XYZ	xyz(5.9939, 4.2241, 20.2341)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F307E #7E7D2F

analogous

#2F587E #2F307E #562F7E

triadic

#2F307E #7E2F30 #307E2F

tetradic

#2F307E #7E2F58 #7E7D2F #2F7E56

square

#2F307E #7E2F58 #7E7D2F #2F7E56

split-complementary

#2F307E #7E562F #587E2F

monochromatic

#0E0E25 #1E1F51 #2F307E #4041AB #6364C5

Accessibility & contrast

On white

11.38

#2F307E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2F307E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F307E

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F307E	#FFFFFF	#000000	##FFFFFF
##2F307E	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D81

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2f307e;
/* rgb */ color: rgb(47, 48, 126);
/* oklch */ color: oklch(35.8% 0.129 277.1);

Tailwind

colors: {
  custom: {
    50: '#7168a4',
    500: '#2f307e',
    950: '#000000',
  },
}

SCSS

$custom: #2f307e;
$custom-light: #7168a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f307e",
  "rgb": {
    "r": 47,
    "g": 48,
    "b": 126
  },
  "hsl": {
    "h": 239.241,
    "s": 45.665,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35833,
    "c": 0.12887,
    "h": 277.1
  },
  "luminance": 0.04225
}

Semantic roles & 50–950 ramp

primary

#2F307E

secondary

#ACAB5D

accent

#D452D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F307E

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

Preview Lab → · Contrast checker → · Palette generator →