#2F3B63#2F3B63

#2F3B63 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.071 H 269.9°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#2F3B63
RGB	rgb(47, 59, 99)
HSL	hsl(226, 36%, 29%)
HSV	hsv(226, 53%, 39%)
CMYK	cmyk(52.5%, 40.4%, 0%, 61.2%)
CIE-LAB	lab(25.66, 7.62, -25.20)
CIE-LCH	lch(25.66, 26.32, 286.82°)
OKLab	oklab(36.19% -0.0001 -0.0712)
OKLCH	oklch(36.19% 0.071 269.9)
XYZ	xyz(4.9877, 4.6328, 12.4334)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3B63 #63572F

analogous

#2F5563 #2F3B63 #3D2F63

triadic

#2F3B63 #632F3B #3B632F

tetradic

#2F3B63 #632F55 #63572F #2F633D

square

#2F3B63 #632F55 #63572F #2F633D

split-complementary

#2F3B63 #633D2F #55632F

monochromatic

#0A0C15 #1B2239 #2F3B63 #43548C #5B6FB1

Accessibility & contrast

On white

10.90

#2F3B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2F3B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3B63

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3B63	#FFFFFF	#000000	##FFFFFF
##2F3B63	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3F65

Deuteranopia (green-blind)

#263B62

Tritanopia (blue-blind)

#1A434A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f3b63;
/* rgb */ color: rgb(47, 59, 99);
/* oklch */ color: oklch(36.2% 0.071 269.9);

Tailwind

colors: {
  custom: {
    50: '#6b708f',
    500: '#2f3b63',
    950: '#000000',
  },
}

SCSS

$custom: #2f3b63;
$custom-light: #6b708f;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3b63",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 99
  },
  "hsl": {
    "h": 226.154,
    "s": 35.616,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36186,
    "c": 0.07116,
    "h": 269.9
  },
  "luminance": 0.04633
}

Semantic roles & 50–950 ramp

primary

#2F3B63

secondary

#958759

accent

#B25CCC

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#07070C

muted

#7A7A7D

Preview Lab

Preview with #2F3B63

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

Preview Lab → · Contrast checker → · Palette generator →