#2A457D#2A457D

#2A457D is a dark, moderate blue. Relative luminance 0.062; OKLCH L 39.9% C 0.100 H 263.2°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#2A457D
RGB	rgb(42, 69, 125)
HSL	hsl(220, 50%, 33%)
HSV	hsv(220, 66%, 49%)
CMYK	cmyk(66.4%, 44.8%, 0%, 51%)
CIE-LAB	lab(29.98, 9.20, -34.87)
CIE-LCH	lch(29.98, 36.06, 284.78°)
OKLab	oklab(39.94% -0.0118 -0.0995)
OKLCH	oklch(39.94% 0.1 263.2)
XYZ	xyz(6.7833, 6.2285, 20.2428)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A457D #7D622A

analogous

#2A6E7D #2A457D #382A7D

triadic

#2A457D #7D2A45 #457D2A

tetradic

#2A457D #7D2A6E #7D622A #2A7D38

square

#2A457D #7D2A6E #7D622A #2A7D38

split-complementary

#2A457D #7D382A #6E7D2A

monochromatic

#0B1221 #1B2C4F #2A457D #395EAB #5A7EC8

Accessibility & contrast

On white

9.35

#2A457D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2A457D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A457D

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A457D	#FFFFFF	#000000	##FFFFFF
##2A457D	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4B7F

Deuteranopia (green-blind)

#1E437C

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a457d;
/* rgb */ color: rgb(42, 69, 125);
/* oklch */ color: oklch(39.9% 0.100 263.2);

Tailwind

colors: {
  custom: {
    50: '#6d78a3',
    500: '#2a457d',
    950: '#000000',
  },
}

SCSS

$custom: #2a457d;
$custom-light: #6d78a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a457d",
  "rgb": {
    "r": 42,
    "g": 69,
    "b": 125
  },
  "hsl": {
    "h": 220.482,
    "s": 49.701,
    "l": 32.745
  },
  "oklch": {
    "l": 0.39944,
    "c": 0.10017,
    "h": 263.2
  },
  "luminance": 0.06229
}

Semantic roles & 50–950 ramp

primary

#2A457D

secondary

#AD9156

accent

#AC4FD9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #2A457D

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

Preview Lab → · Contrast checker → · Palette generator →