#2D37BF#2D37BF

#2D37BF is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.1% C 0.208 H 270.8°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#2D37BF
RGB	rgb(45, 55, 191)
HSL	hsl(236, 62%, 46%)
HSV	hsv(236, 76%, 75%)
CMYK	cmyk(76.4%, 71.2%, 0%, 25.1%)
CIE-LAB	lab(31.92, 43.22, -71.69)
CIE-LCH	lch(31.92, 83.71, 301.08°)
OKLab	oklab(43.1% 0.0028 -0.2076)
OKLCH	oklch(43.1% 0.208 270.8)
XYZ	xyz(11.8491, 7.0506, 50.0165)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D37BF #BFB52D

analogous

#2D80BF #2D37BF #6C2DBF

triadic

#2D37BF #BF2D37 #37BF2D

tetradic

#2D37BF #BF2D80 #BFB52D #2DBF6C

square

#2D37BF #BF2D80 #BFB52D #2DBF6C

split-complementary

#2D37BF #BF6C2D #80BF2D

monochromatic

#161A5C #21298D #2D37BF #535CD6 #848BE2

Accessibility & contrast

On white

8.71

#2D37BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#2D37BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D37BF

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D37BF	#FFFFFF	#000000	##FFFFFF
##2D37BF	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C3

Deuteranopia (green-blind)

#0044BD

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2d37bf;
/* rgb */ color: rgb(45, 55, 191);
/* oklch */ color: oklch(43.1% 0.208 270.8);

Tailwind

colors: {
  custom: {
    50: '#7e6fd4',
    500: '#2d37bf',
    950: '#000000',
  },
}

SCSS

$custom: #2d37bf;
$custom-light: #7e6fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#2d37bf",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 191
  },
  "hsl": {
    "h": 235.89,
    "s": 61.864,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43102,
    "c": 0.20758,
    "h": 270.8
  },
  "luminance": 0.07052
}

Semantic roles & 50–950 ramp

primary

#2D37BF

secondary

#CBC67C

accent

#DA43E5

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #2D37BF

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

Preview Lab → · Contrast checker → · Palette generator →