#2F366B#2F366B

#2F366B is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.6% C 0.091 H 275.1°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#2F366B
RGB	rgb(47, 54, 107)
HSL	hsl(233, 39%, 30%)
HSV	hsv(233, 56%, 42%)
CMYK	cmyk(56.1%, 49.5%, 0%, 58%)
CIE-LAB	lab(24.65, 13.91, -31.97)
CIE-LCH	lch(24.65, 34.86, 293.52°)
OKLab	oklab(35.57% 0.0081 -0.091)
OKLCH	oklch(35.57% 0.091 275.1)
XYZ	xyz(5.1445, 4.3039, 14.4667)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F366B #6B642F

analogous

#2F546B #2F366B #462F6B

triadic

#2F366B #6B2F36 #366B2F

tetradic

#2F366B #6B2F54 #6B642F #2F6B46

square

#2F366B #6B2F54 #6B642F #2F6B46

split-complementary

#2F366B #6B462F #546B2F

monochromatic

#0A0B16 #1C2140 #2F366B #424B96 #5D67B8

Accessibility & contrast

On white

11.29

#2F366B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2F366B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F366B

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F366B	#FFFFFF	#000000	##FFFFFF
##2F366B	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3D6D

Deuteranopia (green-blind)

#17386A

Tritanopia (blue-blind)

#13424B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2f366b;
/* rgb */ color: rgb(47, 54, 107);
/* oklch */ color: oklch(35.6% 0.091 275.1);

Tailwind

colors: {
  custom: {
    50: '#6d6c96',
    500: '#2f366b',
    950: '#000000',
  },
}

SCSS

$custom: #2f366b;
$custom-light: #6d6c96;
$custom-dark: #000000;

JSON

{
  "hex": "#2f366b",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 107
  },
  "hsl": {
    "h": 233,
    "s": 38.961,
    "l": 30.196
  },
  "oklch": {
    "l": 0.35574,
    "c": 0.09138,
    "h": 275.1
  },
  "luminance": 0.04304
}

Semantic roles & 50–950 ramp

primary

#2F366B

secondary

#9C9559

accent

#C159CF

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #2F366B

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

Preview Lab → · Contrast checker → · Palette generator →