#2F338D#2F338D

#2F338D is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.146 H 275.0°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#2F338D
RGB	rgb(47, 51, 141)
HSL	hsl(237, 50%, 37%)
HSV	hsv(237, 67%, 55%)
CMYK	cmyk(66.7%, 63.8%, 0%, 44.7%)
CIE-LAB	lab(26.43, 28.29, -50.54)
CIE-LCH	lch(26.43, 57.92, 299.24°)
OKLab	oklab(37.72% 0.0126 -0.1457)
OKLCH	oklch(37.72% 0.146 275)
XYZ	xyz(7.1623, 4.8945, 25.7614)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F338D #8D892F

analogous

#2F628D #2F338D #5A2F8D

triadic

#2F338D #8D2F33 #338D2F

tetradic

#2F338D #8D2F62 #8D892F #2F8D5A

square

#2F338D #8D2F62 #8D892F #2F8D5A

split-complementary

#2F338D #8D5A2F #628D2F

monochromatic

#101231 #20225F #2F338D #3E44BB #696ECD

Accessibility & contrast

On white

10.61

#2F338D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2F338D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F338D

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F338D	#FFFFFF	#000000	##FFFFFF
##2F338D	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004390

Deuteranopia (green-blind)

#003A8B

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f338d;
/* rgb */ color: rgb(47, 51, 141);
/* oklch */ color: oklch(37.7% 0.146 275.0);

Tailwind

colors: {
  custom: {
    50: '#736baf',
    500: '#2f338d',
    950: '#000000',
  },
}

SCSS

$custom: #2f338d;
$custom-light: #736baf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f338d",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 141
  },
  "hsl": {
    "h": 237.447,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37725,
    "c": 0.14621,
    "h": 275
  },
  "luminance": 0.04895
}

Semantic roles & 50–950 ramp

primary

#2F338D

secondary

#B4B164

accent

#D44EDA

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2F338D

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

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