#2A377D#2A377D

#2A377D is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.8% C 0.119 H 271.4°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#2A377D
RGB	rgb(42, 55, 125)
HSL	hsl(231, 50%, 33%)
HSV	hsv(231, 66%, 49%)
CMYK	cmyk(66.4%, 56%, 0%, 51%)
CIE-LAB	lab(25.88, 18.82, -41.47)
CIE-LCH	lch(25.88, 45.54, 294.41°)
OKLab	oklab(36.82% 0.0029 -0.1191)
OKLCH	oklch(36.82% 0.119 271.4)
XYZ	xyz(6.0215, 4.7048, 19.9888)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A377D #7D702A

analogous

#2A617D #2A377D #462A7D

triadic

#2A377D #7D2A37 #377D2A

tetradic

#2A377D #7D2A61 #7D702A #2A7D46

square

#2A377D #7D2A61 #7D702A #2A7D46

split-complementary

#2A377D #7D462A #617D2A

monochromatic

#0B0F21 #1B234F #2A377D #394BAB #5A6BC8

Accessibility & contrast

On white

10.82

#2A377D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2A377D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A377D

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A377D	#FFFFFF	#000000	##FFFFFF
##2A377D	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06417F

Deuteranopia (green-blind)

#003A7C

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a377d;
/* rgb */ color: rgb(42, 55, 125);
/* oklch */ color: oklch(36.8% 0.119 271.4);

Tailwind

colors: {
  custom: {
    50: '#6d6da3',
    500: '#2a377d',
    950: '#000000',
  },
}

SCSS

$custom: #2a377d;
$custom-light: #6d6da3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a377d",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 125
  },
  "hsl": {
    "h": 230.602,
    "s": 49.701,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36819,
    "c": 0.11912,
    "h": 271.4
  },
  "luminance": 0.04705
}

Semantic roles & 50–950 ramp

primary

#2A377D

secondary

#AD9F56

accent

#C44FD9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2A377D

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

Preview Lab → · Contrast checker → · Palette generator →