#2A457E#2A457E

#2A457E is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.0% C 0.102 H 263.4°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#2A457E
RGB	rgb(42, 69, 126)
HSL	hsl(221, 50%, 33%)
HSV	hsv(221, 67%, 49%)
CMYK	cmyk(66.7%, 45.2%, 0%, 50.6%)
CIE-LAB	lab(30.04, 9.58, -35.39)
CIE-LCH	lch(30.04, 36.67, 285.15°)
OKLab	oklab(40.01% -0.0116 -0.101)
OKLCH	oklch(40.01% 0.102 263.4)
XYZ	xyz(6.8475, 6.2542, 20.5809)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A457E #7E632A

analogous

#2A6F7E #2A457E #392A7E

triadic

#2A457E #7E2A45 #457E2A

tetradic

#2A457E #7E2A6F #7E632A #2A7E39

square

#2A457E #7E2A6F #7E632A #2A7E39

split-complementary

#2A457E #7E392A #6F7E2A

monochromatic

#0B1322 #1B2C50 #2A457E #395EAC #5A7EC8

Accessibility & contrast

On white

9.33

#2A457E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2A457E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A457E

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A457E	#FFFFFF	#000000	##FFFFFF
##2A457E	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4B80

Deuteranopia (green-blind)

#1D437D

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a457e;
/* rgb */ color: rgb(42, 69, 126);
/* oklch */ color: oklch(40.0% 0.102 263.4);

Tailwind

colors: {
  custom: {
    50: '#6d78a4',
    500: '#2a457e',
    950: '#000000',
  },
}

SCSS

$custom: #2a457e;
$custom-light: #6d78a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a457e",
  "rgb": {
    "r": 42,
    "g": 69,
    "b": 126
  },
  "hsl": {
    "h": 220.714,
    "s": 50,
    "l": 32.941
  },
  "oklch": {
    "l": 0.40013,
    "c": 0.10168,
    "h": 263.4
  },
  "luminance": 0.06255
}

Semantic roles & 50–950 ramp

primary

#2A457E

secondary

#AE9256

accent

#AD4EDA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2A457E

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

Preview Lab → · Contrast checker → · Palette generator →