#2A3687#2A3687

#2A3687 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.135 H 271.8°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#2A3687
RGB	rgb(42, 54, 135)
HSL	hsl(232, 53%, 35%)
HSV	hsv(232, 69%, 53%)
CMYK	cmyk(68.9%, 60%, 0%, 47.1%)
CIE-LAB	lab(26.39, 23.28, -46.90)
CIE-LCH	lch(26.39, 52.36, 296.40°)
OKLab	oklab(37.45% 0.0043 -0.1351)
OKLCH	oklch(37.45% 0.135 271.8)
XYZ	xyz(6.6457, 4.8792, 23.5085)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3687 #877B2A

analogous

#2A6587 #2A3687 #4D2A87

triadic

#2A3687 #872A36 #36872A

tetradic

#2A3687 #872A65 #877B2A #2A874D

square

#2A3687 #872A65 #877B2A #2A874D

split-complementary

#2A3687 #874D2A #65872A

monochromatic

#0D112A #1B2358 #2A3687 #3949B6 #5E6DCD

Accessibility & contrast

On white

10.63

#2A3687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2A3687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3687

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3687	#FFFFFF	#000000	##FFFFFF
##2A3687	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003A85

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a3687;
/* rgb */ color: rgb(42, 54, 135);
/* oklch */ color: oklch(37.5% 0.135 271.8);

Tailwind

colors: {
  custom: {
    50: '#706cab',
    500: '#2a3687',
    950: '#000000',
  },
}

SCSS

$custom: #2a3687;
$custom-light: #706cab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3687",
  "rgb": {
    "r": 42,
    "g": 54,
    "b": 135
  },
  "hsl": {
    "h": 232.258,
    "s": 52.542,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3745,
    "c": 0.13514,
    "h": 271.8
  },
  "luminance": 0.0488
}

Semantic roles & 50–950 ramp

primary

#2A3687

secondary

#B3A75A

accent

#C94CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2A3687

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

Preview Lab → · Contrast checker → · Palette generator →