#2A3E8B#2A3E8B

#2A3E8B is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.4% C 0.130 H 268.7°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#2A3E8B
RGB	rgb(42, 62, 139)
HSL	hsl(228, 54%, 35%)
HSV	hsv(228, 70%, 55%)
CMYK	cmyk(69.8%, 55.4%, 0%, 45.5%)
CIE-LAB	lab(28.90, 19.33, -45.30)
CIE-LCH	lch(28.90, 49.25, 293.11°)
OKLab	oklab(39.43% -0.0028 -0.1302)
OKLCH	oklch(39.43% 0.13 268.7)
XYZ	xyz(7.3361, 5.8009, 25.1542)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3E8B #8B772A

analogous

#2A6E8B #2A3E8B #462A8B

triadic

#2A3E8B #8B2A3E #3E8B2A

tetradic

#2A3E8B #8B2A6E #8B772A #2A8B46

square

#2A3E8B #8B2A6E #8B772A #2A8B46

split-complementary

#2A3E8B #8B462A #6E8B2A

monochromatic

#0E142D #1C295C #2A3E8B #3853BA #6077CF

Accessibility & contrast

On white

9.72

#2A3E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2A3E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3E8B

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3E8B	#FFFFFF	#000000	##FFFFFF
##2A3E8B	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04498E

Deuteranopia (green-blind)

#004089

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a3e8b;
/* rgb */ color: rgb(42, 62, 139);
/* oklch */ color: oklch(39.4% 0.130 268.7);

Tailwind

colors: {
  custom: {
    50: '#7072ad',
    500: '#2a3e8b',
    950: '#000000',
  },
}

SCSS

$custom: #2a3e8b;
$custom-light: #7072ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3e8b",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 139
  },
  "hsl": {
    "h": 227.629,
    "s": 53.591,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39433,
    "c": 0.13028,
    "h": 268.7
  },
  "luminance": 0.05802
}

Semantic roles & 50–950 ramp

primary

#2A3E8B

secondary

#B5A35C

accent

#BF4BDD

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #2A3E8B

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

Preview Lab → · Contrast checker → · Palette generator →