#2F436F#2F436F

#2F436F is a dark, moderate blue. Relative luminance 0.058; OKLCH L 38.8% C 0.079 H 264.5°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#2F436F
RGB	rgb(47, 67, 111)
HSL	hsl(221, 41%, 31%)
HSV	hsv(221, 58%, 44%)
CMYK	cmyk(57.7%, 39.6%, 0%, 56.5%)
CIE-LAB	lab(28.81, 6.45, -27.90)
CIE-LCH	lch(28.81, 28.64, 283.01°)
OKLab	oklab(38.85% -0.0076 -0.079)
OKLCH	oklch(38.85% 0.079 264.5)
XYZ	xyz(6.0477, 5.7659, 15.8301)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F436F #6F5B2F

analogous

#2F636F #2F436F #3B2F6F

triadic

#2F436F #6F2F43 #436F2F

tetradic

#2F436F #6F2F63 #6F5B2F #2F6F3B

square

#2F436F #6F2F63 #6F5B2F #2F6F3B

split-complementary

#2F436F #6F3B2F #636F2F

monochromatic

#0B0F19 #1D2944 #2F436F #415D9A #5E7BBB

Accessibility & contrast

On white

9.75

#2F436F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2F436F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F436F

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F436F	#FFFFFF	#000000	##FFFFFF
##2F436F	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314771

Deuteranopia (green-blind)

#29416E

Tritanopia (blue-blind)

#0A4D53

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f436f;
/* rgb */ color: rgb(47, 67, 111);
/* oklch */ color: oklch(38.8% 0.079 264.5);

Tailwind

colors: {
  custom: {
    50: '#6d7698',
    500: '#2f436f',
    950: '#000000',
  },
}

SCSS

$custom: #2f436f;
$custom-light: #6d7698;
$custom-dark: #000000;

JSON

{
  "hex": "#2f436f",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 111
  },
  "hsl": {
    "h": 221.25,
    "s": 40.506,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38845,
    "c": 0.07934,
    "h": 264.5
  },
  "luminance": 0.05766
}

Semantic roles & 50–950 ramp

primary

#2F436F

secondary

#A08A59

accent

#AB57D0

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #2F436F

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

Preview Lab → · Contrast checker → · Palette generator →