#2A397C#2A397C

#2A397C is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.2% C 0.115 H 270.4°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#2A397C
RGB	rgb(42, 57, 124)
HSL	hsl(229, 49%, 33%)
HSV	hsv(229, 66%, 49%)
CMYK	cmyk(66.1%, 54%, 0%, 51.4%)
CIE-LAB	lab(26.37, 17.06, -40.04)
CIE-LCH	lch(26.37, 43.52, 293.08°)
OKLab	oklab(37.17% 0.0008 -0.1148)
OKLCH	oklch(37.17% 0.115 270.4)
XYZ	xyz(6.0548, 4.8732, 19.6864)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A397C #7C6D2A

analogous

#2A627C #2A397C #442A7C

triadic

#2A397C #7C2A39 #397C2A

tetradic

#2A397C #7C2A62 #7C6D2A #2A7C44

square

#2A397C #7C2A62 #7C6D2A #2A7C44

split-complementary

#2A397C #7C442A #627C2A

monochromatic

#0B0F21 #1B244E #2A397C #394EAA #596DC7

Accessibility & contrast

On white

10.63

#2A397C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2A397C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A397C

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A397C	#FFFFFF	#000000	##FFFFFF
##2A397C	1.00	10.63	1.97	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10427E

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a397c;
/* rgb */ color: rgb(42, 57, 124);
/* oklch */ color: oklch(37.2% 0.115 270.4);

Tailwind

colors: {
  custom: {
    50: '#6d6fa2',
    500: '#2a397c',
    950: '#000000',
  },
}

SCSS

$custom: #2a397c;
$custom-light: #6d6fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a397c",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 124
  },
  "hsl": {
    "h": 229.024,
    "s": 49.398,
    "l": 32.549
  },
  "oklch": {
    "l": 0.37167,
    "c": 0.11485,
    "h": 270.4
  },
  "luminance": 0.04874
}

Semantic roles & 50–950 ramp

primary

#2A397C

secondary

#AD9D55

accent

#C04FD9

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2A397C

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

Preview Lab → · Contrast checker → · Palette generator →