#2F388F#2F388F

#2F388F is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.9% C 0.143 H 273.3°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#2F388F
RGB	rgb(47, 56, 143)
HSL	hsl(234, 51%, 37%)
HSV	hsv(234, 67%, 56%)
CMYK	cmyk(67.1%, 60.8%, 0%, 43.9%)
CIE-LAB	lab(27.89, 25.70, -49.41)
CIE-LCH	lch(27.89, 55.69, 297.48°)
OKLab	oklab(38.85% 0.0082 -0.1423)
OKLCH	oklch(38.85% 0.143 273.3)
XYZ	xyz(7.5427, 5.4152, 26.6290)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F388F #8F862F

analogous

#2F688F #2F388F #562F8F

triadic

#2F388F #8F2F38 #388F2F

tetradic

#2F388F #8F2F68 #8F862F #2F8F56

square

#2F388F #8F2F68 #8F862F #2F8F56

split-complementary

#2F388F #8F562F #688F2F

monochromatic

#111433 #202661 #2F388F #3E4ABD #6A74CE

Accessibility & contrast

On white

10.08

#2F388F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2F388F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F388F

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F388F	#FFFFFF	#000000	##FFFFFF
##2F388F	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004692

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f388f;
/* rgb */ color: rgb(47, 56, 143);
/* oklch */ color: oklch(38.9% 0.143 273.3);

Tailwind

colors: {
  custom: {
    50: '#736eb1',
    500: '#2f388f',
    950: '#000000',
  },
}

SCSS

$custom: #2f388f;
$custom-light: #736eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f388f",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 143
  },
  "hsl": {
    "h": 234.375,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3885,
    "c": 0.14252,
    "h": 273.3
  },
  "luminance": 0.05416
}

Semantic roles & 50–950 ramp

primary

#2F388F

secondary

#B5AE65

accent

#CD4EDA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F388F

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

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