#2A3A79#2A3A79

#2A3A79 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.2% C 0.109 H 269.7°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#2A3A79
RGB	rgb(42, 58, 121)
HSL	hsl(228, 48%, 32%)
HSV	hsv(228, 65%, 47%)
CMYK	cmyk(65.3%, 52.1%, 0%, 52.5%)
CIE-LAB	lab(26.44, 15.23, -38.03)
CIE-LCH	lch(26.44, 40.97, 291.82°)
OKLab	oklab(37.15% -0.0005 -0.1089)
OKLCH	oklch(37.15% 0.109 269.7)
XYZ	xyz(5.9179, 4.8983, 18.7191)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3A79 #79692A

analogous

#2A6279 #2A3A79 #422A79

triadic

#2A3A79 #792A3A #3A792A

tetradic

#2A3A79 #792A62 #79692A #2A7942

square

#2A3A79 #792A62 #79692A #2A7942

split-complementary

#2A3A79 #79422A #62792A

monochromatic

#0A0E1E #1A244C #2A3A79 #3A50A6 #586EC5

Accessibility & contrast

On white

10.61

#2A3A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2A3A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3A79

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3A79	#FFFFFF	#000000	##FFFFFF
##2A3A79	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18427B

Deuteranopia (green-blind)

#043B78

Tritanopia (blue-blind)

#004953

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a3a79;
/* rgb */ color: rgb(42, 58, 121);
/* oklch */ color: oklch(37.2% 0.109 269.7);

Tailwind

colors: {
  custom: {
    50: '#6c6fa0',
    500: '#2a3a79',
    950: '#000000',
  },
}

SCSS

$custom: #2a3a79;
$custom-light: #6c6fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3a79",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 121
  },
  "hsl": {
    "h": 227.848,
    "s": 48.466,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37153,
    "c": 0.10893,
    "h": 269.7
  },
  "luminance": 0.04899
}

Semantic roles & 50–950 ramp

primary

#2A3A79

secondary

#AB9954

accent

#BC50D8

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #2A3A79

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

Preview Lab → · Contrast checker → · Palette generator →