#2D3787#2D3787

#2D3787 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.8% C 0.133 H 272.9°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#2D3787
RGB	rgb(45, 55, 135)
HSL	hsl(233, 50%, 35%)
HSV	hsv(233, 67%, 53%)
CMYK	cmyk(66.7%, 59.3%, 0%, 47.1%)
CIE-LAB	lab(26.85, 23.09, -46.15)
CIE-LCH	lch(26.85, 51.60, 296.58°)
OKLab	oklab(37.84% 0.0068 -0.1328)
OKLCH	oklch(37.84% 0.133 272.9)
XYZ	xyz(6.8201, 5.0389, 23.5302)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3787 #877D2D

analogous

#2D6487 #2D3787 #502D87

triadic

#2D3787 #872D37 #37872D

tetradic

#2D3787 #872D64 #877D2D #2D8750

square

#2D3787 #872D64 #877D2D #2D8750

split-complementary

#2D3787 #87502D #64872D

monochromatic

#0E122B #1E2459 #2D3787 #3C4AB5 #636FCB

Accessibility & contrast

On white

10.46

#2D3787 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2D3787 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3787

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3787	#FFFFFF	#000000	##FFFFFF
##2D3787	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2d3787;
/* rgb */ color: rgb(45, 55, 135);
/* oklch */ color: oklch(37.8% 0.133 272.9);

Tailwind

colors: {
  custom: {
    50: '#716dab',
    500: '#2d3787',
    950: '#000000',
  },
}

SCSS

$custom: #2d3787;
$custom-light: #716dab;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3787",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 135
  },
  "hsl": {
    "h": 233.333,
    "s": 50,
    "l": 35.294
  },
  "oklch": {
    "l": 0.3784,
    "c": 0.13294,
    "h": 272.9
  },
  "luminance": 0.0504
}

Semantic roles & 50–950 ramp

primary

#2D3787

secondary

#B2A85E

accent

#CA4EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2D3787

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

Preview Lab → · Contrast checker → · Palette generator →