#2F318E#2F318E

#2F318E is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.150 H 275.4°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#2F318E
RGB	rgb(47, 49, 142)
HSL	hsl(239, 50%, 37%)
HSV	hsv(239, 67%, 56%)
CMYK	cmyk(66.9%, 65.5%, 0%, 44.3%)
CIE-LAB	lab(26.02, 29.96, -51.83)
CIE-LCH	lch(26.02, 59.87, 300.03°)
OKLab	oklab(37.45% 0.0143 -0.1495)
OKLCH	oklch(37.45% 0.15 275.4)
XYZ	xyz(7.1515, 4.7533, 26.1266)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F318E #8E8C2F

analogous

#2F618E #2F318E #5D2F8E

triadic

#2F318E #8E2F31 #318E2F

tetradic

#2F318E #8E2F61 #8E8C2F #2F8E5D

square

#2F318E #8E2F61 #8E8C2F #2F8E5D

split-complementary

#2F318E #8E5D2F #618E2F

monochromatic

#111132 #202160 #2F318E #3E41BC #6A6CCE

Accessibility & contrast

On white

10.76

#2F318E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2F318E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F318E

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F318E	#FFFFFF	#000000	##FFFFFF
##2F318E	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004291

Deuteranopia (green-blind)

#00398C

Tritanopia (blue-blind)

#00495B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f318e;
/* rgb */ color: rgb(47, 49, 142);
/* oklch */ color: oklch(37.5% 0.150 275.4);

Tailwind

colors: {
  custom: {
    50: '#7469b0',
    500: '#2f318e',
    950: '#000000',
  },
}

SCSS

$custom: #2f318e;
$custom-light: #7469b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f318e",
  "rgb": {
    "r": 47,
    "g": 49,
    "b": 142
  },
  "hsl": {
    "h": 238.737,
    "s": 50.265,
    "l": 37.059
  },
  "oklch": {
    "l": 0.3745,
    "c": 0.15014,
    "h": 275.4
  },
  "luminance": 0.04754
}

Semantic roles & 50–950 ramp

primary

#2F318E

secondary

#B5B364

accent

#D74EDA

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #2F318E

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

Preview Lab → · Contrast checker → · Palette generator →