#2F36A1#2F36A1

#2F36A1 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.1% C 0.170 H 273.0°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2F36A1
RGB	rgb(47, 54, 161)
HSL	hsl(236, 55%, 41%)
HSV	hsv(236, 71%, 63%)
CMYK	cmyk(70.8%, 66.5%, 0%, 36.9%)
CIE-LAB	lab(28.94, 33.53, -58.68)
CIE-LCH	lch(28.94, 67.59, 299.74°)
OKLab	oklab(40.11% 0.0089 -0.1695)
OKLCH	oklch(40.11% 0.17 273)
XYZ	xyz(8.9223, 5.8150, 34.3635)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F36A1 #A19A2F

analogous

#2F6FA1 #2F36A1 #612FA1

triadic

#2F36A1 #A12F36 #36A12F

tetradic

#2F36A1 #A12F6F #A19A2F #2FA161

square

#2F36A1 #A12F6F #A19A2F #2FA161

split-complementary

#2F36A1 #A1612F #6FA12F

monochromatic

#131642 #212672 #2F36A1 #454DC9 #747AD6

Accessibility & contrast

On white

9.71

#2F36A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2F36A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F36A1

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F36A1	#FFFFFF	#000000	##FFFFFF
##2F36A1	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA4

Deuteranopia (green-blind)

#003F9F

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f36a1;
/* rgb */ color: rgb(47, 54, 161);
/* oklch */ color: oklch(40.1% 0.170 273.0);

Tailwind

colors: {
  custom: {
    50: '#786dbe',
    500: '#2f36a1',
    950: '#000000',
  },
}

SCSS

$custom: #2f36a1;
$custom-light: #786dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2f36a1",
  "rgb": {
    "r": 47,
    "g": 54,
    "b": 161
  },
  "hsl": {
    "h": 236.316,
    "s": 54.808,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40108,
    "c": 0.16975,
    "h": 273
  },
  "luminance": 0.05816
}

Semantic roles & 50–950 ramp

primary

#2F36A1

secondary

#BEB96E

accent

#D54ADE

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F36A1

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

Preview Lab → · Contrast checker → · Palette generator →