#2A3E8A#2A3E8A

#2A3E8A is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.4% C 0.129 H 268.7°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#2A3E8A
RGB	rgb(42, 62, 138)
HSL	hsl(228, 53%, 35%)
HSV	hsv(228, 70%, 54%)
CMYK	cmyk(69.6%, 55.1%, 0%, 45.9%)
CIE-LAB	lab(28.83, 18.95, -44.80)
CIE-LCH	lch(28.83, 48.64, 292.93°)
OKLab	oklab(39.35% -0.0029 -0.1288)
OKLCH	oklch(39.35% 0.129 268.7)
XYZ	xyz(7.2633, 5.7718, 24.7711)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3E8A #8A762A

analogous

#2A6E8A #2A3E8A #462A8A

triadic

#2A3E8A #8A2A3E #3E8A2A

tetradic

#2A3E8A #8A2A6E #8A762A #2A8A46

square

#2A3E8A #8A2A6E #8A762A #2A8A46

split-complementary

#2A3E8A #8A462A #6E8A2A

monochromatic

#0D142C #1C295B #2A3E8A #3853B9 #6077CF

Accessibility & contrast

On white

9.75

#2A3E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2A3E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3E8A

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3E8A	#FFFFFF	#000000	##FFFFFF
##2A3E8A	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07498D

Deuteranopia (green-blind)

#004088

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a3e8a;
/* rgb */ color: rgb(42, 62, 138);
/* oklch */ color: oklch(39.4% 0.129 268.7);

Tailwind

colors: {
  custom: {
    50: '#7072ad',
    500: '#2a3e8a',
    950: '#000000',
  },
}

SCSS

$custom: #2a3e8a;
$custom-light: #7072ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3e8a",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 138
  },
  "hsl": {
    "h": 227.5,
    "s": 53.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39352,
    "c": 0.12882,
    "h": 268.7
  },
  "luminance": 0.05772
}

Semantic roles & 50–950 ramp

primary

#2A3E8A

secondary

#B4A25B

accent

#BE4BDD

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2A3E8A

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

Preview Lab → · Contrast checker → · Palette generator →