#2A3E88#2A3E88

#2A3E88 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.126 H 268.6°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#2A3E88
RGB	rgb(42, 62, 136)
HSL	hsl(227, 53%, 35%)
HSV	hsv(227, 69%, 53%)
CMYK	cmyk(69.1%, 54.4%, 0%, 46.7%)
CIE-LAB	lab(28.68, 18.19, -43.80)
CIE-LCH	lch(28.68, 47.43, 292.55°)
OKLab	oklab(39.19% -0.0031 -0.1259)
OKLCH	oklch(39.19% 0.126 268.6)
XYZ	xyz(7.1199, 5.7144, 24.0155)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3E88 #88742A

analogous

#2A6D88 #2A3E88 #452A88

triadic

#2A3E88 #882A3E #3E882A

tetradic

#2A3E88 #882A6D #88742A #2A8845

square

#2A3E88 #882A6D #88742A #2A8845

split-complementary

#2A3E88 #88452A #6D882A

monochromatic

#0D132A #1C2959 #2A3E88 #3853B7 #5F76CE

Accessibility & contrast

On white

9.80

#2A3E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2A3E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3E88

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3E88	#FFFFFF	#000000	##FFFFFF
##2A3E88	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C488B

Deuteranopia (green-blind)

#004086

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a3e88;
/* rgb */ color: rgb(42, 62, 136);
/* oklch */ color: oklch(39.2% 0.126 268.6);

Tailwind

colors: {
  custom: {
    50: '#6f72ab',
    500: '#2a3e88',
    950: '#000000',
  },
}

SCSS

$custom: #2a3e88;
$custom-light: #6f72ab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3e88",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 136
  },
  "hsl": {
    "h": 227.234,
    "s": 52.809,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39193,
    "c": 0.1259,
    "h": 268.6
  },
  "luminance": 0.05715
}

Semantic roles & 50–950 ramp

primary

#2A3E88

secondary

#B3A05B

accent

#BD4CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2A3E88

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

Preview Lab → · Contrast checker → · Palette generator →