#2A3E8F#2A3E8F

#2A3E8F is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.136 H 268.9°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#2A3E8F
RGB	rgb(42, 62, 143)
HSL	hsl(228, 55%, 36%)
HSV	hsv(228, 71%, 56%)
CMYK	cmyk(70.6%, 56.6%, 0%, 43.9%)
CIE-LAB	lab(29.21, 20.86, -47.27)
CIE-LCH	lch(29.21, 51.67, 293.81°)
OKLab	oklab(39.76% -0.0026 -0.136)
OKLCH	oklch(39.76% 0.136 268.9)
XYZ	xyz(7.6337, 5.9199, 26.7216)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3E8F #8F7B2A

analogous

#2A718F #2A3E8F #492A8F

triadic

#2A3E8F #8F2A3E #3E8F2A

tetradic

#2A3E8F #8F2A71 #8F7B2A #2A8F49

square

#2A3E8F #8F2A71 #8F7B2A #2A8F49

split-complementary

#2A3E8F #8F492A #718F2A

monochromatic

#0E1530 #1C2960 #2A3E8F #3853BE #6278D1

Accessibility & contrast

On white

9.61

#2A3E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2A3E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3E8F

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3E8F	#FFFFFF	#000000	##FFFFFF
##2A3E8F	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A92

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a3e8f;
/* rgb */ color: rgb(42, 62, 143);
/* oklch */ color: oklch(39.8% 0.136 268.9);

Tailwind

colors: {
  custom: {
    50: '#7172b0',
    500: '#2a3e8f',
    950: '#000000',
  },
}

SCSS

$custom: #2a3e8f;
$custom-light: #7172b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3e8f",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 143
  },
  "hsl": {
    "h": 228.119,
    "s": 54.595,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39759,
    "c": 0.13607,
    "h": 268.9
  },
  "luminance": 0.05921
}

Semantic roles & 50–950 ramp

primary

#2A3E8F

secondary

#B7A55E

accent

#C14ADE

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2A3E8F

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

Preview Lab → · Contrast checker → · Palette generator →