#2A377C#2A377C

#2A377C is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.7% C 0.118 H 271.4°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#2A377C
RGB	rgb(42, 55, 124)
HSL	hsl(230, 49%, 33%)
HSV	hsv(230, 66%, 49%)
CMYK	cmyk(66.1%, 55.6%, 0%, 51.4%)
CIE-LAB	lab(25.80, 18.44, -40.96)
CIE-LCH	lch(25.80, 44.92, 294.24°)
OKLab	oklab(36.74% 0.0029 -0.1176)
OKLCH	oklch(36.74% 0.118 271.4)
XYZ	xyz(5.9579, 4.6793, 19.6541)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A377C #7C6F2A

analogous

#2A607C #2A377C #462A7C

triadic

#2A377C #7C2A37 #377C2A

tetradic

#2A377C #7C2A60 #7C6F2A #2A7C46

square

#2A377C #7C2A60 #7C6F2A #2A7C46

split-complementary

#2A377C #7C462A #607C2A

monochromatic

#0B0E21 #1B234E #2A377C #394BAA #596BC7

Accessibility & contrast

On white

10.85

#2A377C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2A377C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A377C

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A377C	#FFFFFF	#000000	##FFFFFF
##2A377C	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08417E

Deuteranopia (green-blind)

#003A7B

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a377c;
/* rgb */ color: rgb(42, 55, 124);
/* oklch */ color: oklch(36.7% 0.118 271.4);

Tailwind

colors: {
  custom: {
    50: '#6d6da2',
    500: '#2a377c',
    950: '#000000',
  },
}

SCSS

$custom: #2a377c;
$custom-light: #6d6da2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a377c",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 124
  },
  "hsl": {
    "h": 230.488,
    "s": 49.398,
    "l": 32.549
  },
  "oklch": {
    "l": 0.36738,
    "c": 0.11763,
    "h": 271.4
  },
  "luminance": 0.0468
}

Semantic roles & 50–950 ramp

primary

#2A377C

secondary

#AD9F55

accent

#C34FD9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2A377C

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

Preview Lab → · Contrast checker → · Palette generator →