#2A457F#2A457F

#2A457F is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.1% C 0.103 H 263.6°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2A457F
RGB	rgb(42, 69, 127)
HSL	hsl(221, 50%, 33%)
HSV	hsv(221, 67%, 50%)
CMYK	cmyk(66.9%, 45.7%, 0%, 50.2%)
CIE-LAB	lab(30.11, 9.96, -35.91)
CIE-LCH	lch(30.11, 37.27, 285.50°)
OKLab	oklab(40.08% -0.0114 -0.1025)
OKLCH	oklch(40.08% 0.103 263.6)
XYZ	xyz(6.9124, 6.2801, 20.9225)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A457F #7F642A

analogous

#2A6F7F #2A457F #392A7F

triadic

#2A457F #7F2A45 #457F2A

tetradic

#2A457F #7F2A6F #7F642A #2A7F39

square

#2A457F #7F2A6F #7F642A #2A7F39

split-complementary

#2A457F #7F392A #6F7F2A

monochromatic

#0C1323 #1B2C51 #2A457F #395EAD #5B7EC9

Accessibility & contrast

On white

9.31

#2A457F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2A457F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A457F

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A457F	#FFFFFF	#000000	##FFFFFF
##2A457F	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4B81

Deuteranopia (green-blind)

#1C437E

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a457f;
/* rgb */ color: rgb(42, 69, 127);
/* oklch */ color: oklch(40.1% 0.103 263.6);

Tailwind

colors: {
  custom: {
    50: '#6d78a4',
    500: '#2a457f',
    950: '#000000',
  },
}

SCSS

$custom: #2a457f;
$custom-light: #6d78a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a457f",
  "rgb": {
    "r": 42,
    "g": 69,
    "b": 127
  },
  "hsl": {
    "h": 220.941,
    "s": 50.296,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40083,
    "c": 0.10318,
    "h": 263.6
  },
  "luminance": 0.06281
}

Semantic roles & 50–950 ramp

primary

#2A457F

secondary

#AE9257

accent

#AD4EDA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2A457F

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

Preview Lab → · Contrast checker → · Palette generator →