#2A3E91#2A3E91

#2A3E91 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.9% C 0.139 H 269.0°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#2A3E91
RGB	rgb(42, 62, 145)
HSL	hsl(228, 55%, 37%)
HSV	hsv(228, 71%, 57%)
CMYK	cmyk(71%, 57.2%, 0%, 43.1%)
CIE-LAB	lab(29.36, 21.62, -48.25)
CIE-LCH	lch(29.36, 52.87, 294.14°)
OKLab	oklab(39.92% -0.0025 -0.1389)
OKLCH	oklch(39.92% 0.139 269)
XYZ	xyz(7.7865, 5.9811, 27.5267)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3E91 #917D2A

analogous

#2A7291 #2A3E91 #4A2A91

triadic

#2A3E91 #912A3E #3E912A

tetradic

#2A3E91 #912A72 #917D2A #2A914A

square

#2A3E91 #912A72 #917D2A #2A914A

split-complementary

#2A3E91 #914A2A #72912A

monochromatic

#0F1532 #1C2A62 #2A3E91 #3852C0 #6379D2

Accessibility & contrast

On white

9.56

#2A3E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2A3E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3E91

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3E91	#FFFFFF	#000000	##FFFFFF
##2A3E91	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A94

Deuteranopia (green-blind)

#00418F

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a3e91;
/* rgb */ color: rgb(42, 62, 145);
/* oklch */ color: oklch(39.9% 0.139 269.0);

Tailwind

colors: {
  custom: {
    50: '#7172b2',
    500: '#2a3e91',
    950: '#000000',
  },
}

SCSS

$custom: #2a3e91;
$custom-light: #7172b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3e91",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 145
  },
  "hsl": {
    "h": 228.35,
    "s": 55.08,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39924,
    "c": 0.13895,
    "h": 269
  },
  "luminance": 0.05982
}

Semantic roles & 50–950 ramp

primary

#2A3E91

secondary

#B8A75F

accent

#C149DE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2A3E91

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

Preview Lab → · Contrast checker → · Palette generator →