#2F538E#2F538E

#2F538E is a dark, moderate blue. Relative luminance 0.087; OKLCH L 44.6% C 0.106 H 259.8°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#2F538E
RGB	rgb(47, 83, 142)
HSL	hsl(217, 50%, 37%)
HSV	hsv(217, 67%, 56%)
CMYK	cmyk(66.9%, 41.5%, 0%, 44.3%)
CIE-LAB	lab(35.48, 7.21, -36.56)
CIE-LCH	lch(35.48, 37.26, 281.15°)
OKLab	oklab(44.6% -0.0188 -0.1041)
OKLCH	oklch(44.6% 0.106 259.8)
XYZ	xyz(9.1463, 8.7430, 26.7915)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F538E #8E6A2F

analogous

#2F838E #2F538E #3A2F8E

triadic

#2F538E #8E2F53 #538E2F

tetradic

#2F538E #8E2F83 #8E6A2F #2F8E3A

square

#2F538E #8E2F83 #8E6A2F #2F8E3A

split-complementary

#2F538E #8E3A2F #838E2F

monochromatic

#111D32 #203860 #2F538E #3E6EBC #6A90CE

Accessibility & contrast

On white

7.64

#2F538E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#2F538E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F538E

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F538E	#FFFFFF	#000000	##FFFFFF
##2F538E	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385890

Deuteranopia (green-blind)

#2A4F8D

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f538e;
/* rgb */ color: rgb(47, 83, 142);
/* oklch */ color: oklch(44.6% 0.106 259.8);

Tailwind

colors: {
  custom: {
    50: '#7283af',
    500: '#2f538e',
    950: '#000000',
  },
}

SCSS

$custom: #2f538e;
$custom-light: #7283af;
$custom-dark: #000000;

JSON

{
  "hex": "#2f538e",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 142
  },
  "hsl": {
    "h": 217.263,
    "s": 50.265,
    "l": 37.059
  },
  "oklch": {
    "l": 0.44598,
    "c": 0.10581,
    "h": 259.8
  },
  "luminance": 0.08744
}

Semantic roles & 50–950 ramp

primary

#2F538E

secondary

#B59664

accent

#A54EDA

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2F538E

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

Preview Lab → · Contrast checker → · Palette generator →