#2F396B#2F396B

#2F396B is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.2% C 0.087 H 272.8°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#2F396B
RGB	rgb(47, 57, 107)
HSL	hsl(230, 39%, 30%)
HSV	hsv(230, 56%, 42%)
CMYK	cmyk(56.1%, 46.7%, 0%, 58%)
CIE-LAB	lab(25.54, 11.84, -30.55)
CIE-LCH	lch(25.54, 32.76, 291.18°)
OKLab	oklab(36.25% 0.0043 -0.0868)
OKLCH	oklch(36.25% 0.087 272.8)
XYZ	xyz(5.2884, 4.5918, 14.5147)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F396B #6B612F

analogous

#2F576B #2F396B #432F6B

triadic

#2F396B #6B2F39 #396B2F

tetradic

#2F396B #6B2F57 #6B612F #2F6B43

square

#2F396B #6B2F57 #6B612F #2F6B43

split-complementary

#2F396B #6B432F #576B2F

monochromatic

#0A0C16 #1C2240 #2F396B #425096 #5D6CB8

Accessibility & contrast

On white

10.95

#2F396B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2F396B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F396B

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F396B	#FFFFFF	#000000	##FFFFFF
##2F396B	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243F6D

Deuteranopia (green-blind)

#1D3A6A

Tritanopia (blue-blind)

#12444C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f396b;
/* rgb */ color: rgb(47, 57, 107);
/* oklch */ color: oklch(36.2% 0.087 272.8);

Tailwind

colors: {
  custom: {
    50: '#6c6f96',
    500: '#2f396b',
    950: '#000000',
  },
}

SCSS

$custom: #2f396b;
$custom-light: #6c6f96;
$custom-dark: #000000;

JSON

{
  "hex": "#2f396b",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 107
  },
  "hsl": {
    "h": 230,
    "s": 38.961,
    "l": 30.196
  },
  "oklch": {
    "l": 0.36249,
    "c": 0.08694,
    "h": 272.8
  },
  "luminance": 0.04592
}

Semantic roles & 50–950 ramp

primary

#2F396B

secondary

#9C9159

accent

#BB59CF

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #2F396B

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

Preview Lab → · Contrast checker → · Palette generator →