#2A3D91#2A3D91

#2A3D91 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.140 H 269.3°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#2A3D91
RGB	rgb(42, 61, 145)
HSL	hsl(229, 55%, 37%)
HSV	hsv(229, 71%, 57%)
CMYK	cmyk(71%, 57.9%, 0%, 43.1%)
CIE-LAB	lab(29.09, 22.30, -48.69)
CIE-LCH	lch(29.09, 53.56, 294.61°)
OKLab	oklab(39.72% -0.0016 -0.1403)
OKLCH	oklch(39.72% 0.14 269.3)
XYZ	xyz(7.7327, 5.8733, 27.5087)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3D91 #917E2A

analogous

#2A7191 #2A3D91 #4B2A91

triadic

#2A3D91 #912A3D #3D912A

tetradic

#2A3D91 #912A71 #917E2A #2A914B

square

#2A3D91 #912A71 #917E2A #2A914B

split-complementary

#2A3D91 #914B2A #71912A

monochromatic

#0F1532 #1C2962 #2A3D91 #3851C0 #6378D2

Accessibility & contrast

On white

9.66

#2A3D91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2A3D91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3D91

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3D91	#FFFFFF	#000000	##FFFFFF
##2A3D91	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004994

Deuteranopia (green-blind)

#00408F

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a3d91;
/* rgb */ color: rgb(42, 61, 145);
/* oklch */ color: oklch(39.7% 0.140 269.3);

Tailwind

colors: {
  custom: {
    50: '#7172b2',
    500: '#2a3d91',
    950: '#000000',
  },
}

SCSS

$custom: #2a3d91;
$custom-light: #7172b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3d91",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 145
  },
  "hsl": {
    "h": 228.932,
    "s": 55.08,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39719,
    "c": 0.14026,
    "h": 269.3
  },
  "luminance": 0.05874
}

Semantic roles & 50–950 ramp

primary

#2A3D91

secondary

#B8A85F

accent

#C349DE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A3D91

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

Preview Lab → · Contrast checker → · Palette generator →