#2A40A1#2A40A1

#2A40A1 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.159 H 268.7°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#2A40A1
RGB	rgb(42, 64, 161)
HSL	hsl(229, 59%, 40%)
HSV	hsv(229, 74%, 63%)
CMYK	cmyk(73.9%, 60.2%, 0%, 36.9%)
CIE-LAB	lab(31.19, 26.34, -55.02)
CIE-LCH	lch(31.19, 61.00, 295.58°)
OKLab	oklab(41.69% -0.0037 -0.1588)
OKLCH	oklch(41.69% 0.159 268.7)
XYZ	xyz(9.2190, 6.7313, 34.5247)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A40A1 #A18B2A

analogous

#2A7BA1 #2A40A1 #502AA1

triadic

#2A40A1 #A12A40 #40A12A

tetradic

#2A40A1 #A12A7B #A18B2A #2AA150

square

#2A40A1 #A12A7B #A18B2A #2AA150

split-complementary

#2A40A1 #A1502A #7BA12A

monochromatic

#111940 #1D2D70 #2A40A1 #3C57CC #6D81D9

Accessibility & contrast

On white

8.95

#2A40A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2A40A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A40A1

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A40A1	#FFFFFF	#000000	##FFFFFF
##2A40A1	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA4

Deuteranopia (green-blind)

#00449F

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a40a1;
/* rgb */ color: rgb(42, 64, 161);
/* oklch */ color: oklch(41.7% 0.159 268.7);

Tailwind

colors: {
  custom: {
    50: '#7574be',
    500: '#2a40a1',
    950: '#000000',
  },
}

SCSS

$custom: #2a40a1;
$custom-light: #7574be;
$custom-dark: #000000;

JSON

{
  "hex": "#2a40a1",
  "rgb": {
    "r": 42,
    "g": 64,
    "b": 161
  },
  "hsl": {
    "h": 228.908,
    "s": 58.621,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41689,
    "c": 0.15885,
    "h": 268.7
  },
  "luminance": 0.06732
}

Semantic roles & 50–950 ramp

primary

#2A40A1

secondary

#C0AF67

accent

#C546E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2A40A1

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

Preview Lab → · Contrast checker → · Palette generator →