#2A3A7B#2A3A7B

#2A3A7B is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.3% C 0.112 H 269.8°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#2A3A7B
RGB	rgb(42, 58, 123)
HSL	hsl(228, 49%, 32%)
HSV	hsv(228, 66%, 48%)
CMYK	cmyk(65.9%, 52.8%, 0%, 51.8%)
CIE-LAB	lab(26.59, 15.99, -39.06)
CIE-LCH	lch(26.59, 42.21, 292.26°)
OKLab	oklab(37.31% -0.0003 -0.112)
OKLCH	oklch(37.31% 0.112 269.8)
XYZ	xyz(6.0418, 4.9479, 19.3717)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3A7B #7B6B2A

analogous

#2A637B #2A3A7B #422A7B

triadic

#2A3A7B #7B2A3A #3A7B2A

tetradic

#2A3A7B #7B2A63 #7B6B2A #2A7B42

square

#2A3A7B #7B2A63 #7B6B2A #2A7B42

split-complementary

#2A3A7B #7B422A #637B2A

monochromatic

#0B0F20 #1A244D #2A3A7B #3A50A9 #596FC6

Accessibility & contrast

On white

10.55

#2A3A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2A3A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3A7B

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3A7B	#FFFFFF	#000000	##FFFFFF
##2A3A7B	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15437D

Deuteranopia (green-blind)

#003B7A

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a3a7b;
/* rgb */ color: rgb(42, 58, 123);
/* oklch */ color: oklch(37.3% 0.112 269.8);

Tailwind

colors: {
  custom: {
    50: '#6d6fa2',
    500: '#2a3a7b',
    950: '#000000',
  },
}

SCSS

$custom: #2a3a7b;
$custom-light: #6d6fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3a7b",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 123
  },
  "hsl": {
    "h": 228.148,
    "s": 49.091,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37307,
    "c": 0.11196,
    "h": 269.8
  },
  "luminance": 0.04948
}

Semantic roles & 50–950 ramp

primary

#2A3A7B

secondary

#AC9B55

accent

#BD4FD9

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #2A3A7B

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

Preview Lab → · Contrast checker → · Palette generator →