#2F408E#2F408E

#2F408E is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.130 H 270.3°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#2F408E
RGB	rgb(47, 64, 142)
HSL	hsl(229, 50%, 37%)
HSV	hsv(229, 67%, 56%)
CMYK	cmyk(66.9%, 54.9%, 0%, 44.3%)
CIE-LAB	lab(29.97, 19.94, -45.41)
CIE-LCH	lch(29.97, 49.60, 293.70°)
OKLab	oklab(40.38% 0.0007 -0.1304)
OKLCH	oklch(40.38% 0.13 270.3)
XYZ	xyz(7.8865, 6.2234, 26.3716)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F408E #8E7D2F

analogous

#2F708E #2F408E #4D2F8E

triadic

#2F408E #8E2F40 #408E2F

tetradic

#2F408E #8E2F70 #8E7D2F #2F8E4D

square

#2F408E #8E2F70 #8E7D2F #2F8E4D

split-complementary

#2F408E #8E4D2F #708E2F

monochromatic

#111732 #202B60 #2F408E #3E55BC #6A7CCE

Accessibility & contrast

On white

9.35

#2F408E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2F408E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F408E

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F408E	#FFFFFF	#000000	##FFFFFF
##2F408E	1.00	9.35	2.24	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094B91

Deuteranopia (green-blind)

#00428C

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f408e;
/* rgb */ color: rgb(47, 64, 142);
/* oklch */ color: oklch(40.4% 0.130 270.3);

Tailwind

colors: {
  custom: {
    50: '#7374b0',
    500: '#2f408e',
    950: '#000000',
  },
}

SCSS

$custom: #2f408e;
$custom-light: #7374b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f408e",
  "rgb": {
    "r": 47,
    "g": 64,
    "b": 142
  },
  "hsl": {
    "h": 229.263,
    "s": 50.265,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40382,
    "c": 0.13044,
    "h": 270.3
  },
  "luminance": 0.06224
}

Semantic roles & 50–950 ramp

primary

#2F408E

secondary

#B5A664

accent

#C14EDA

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #2F408E

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

Preview Lab → · Contrast checker → · Palette generator →