#2B457E#2B457E

#2B457E is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.1% C 0.101 H 263.9°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B457E
RGB	rgb(43, 69, 126)
HSL	hsl(221, 49%, 33%)
HSV	hsv(221, 66%, 49%)
CMYK	cmyk(65.9%, 45.2%, 0%, 50.6%)
CIE-LAB	lab(30.10, 9.77, -35.31)
CIE-LCH	lch(30.10, 36.63, 285.47°)
OKLab	oklab(40.07% -0.0107 -0.1007)
OKLCH	oklch(40.07% 0.101 263.9)
XYZ	xyz(6.8890, 6.2756, 20.5829)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B457E #7E642B

analogous

#2B6E7E #2B457E #3B2B7E

triadic

#2B457E #7E2B45 #457E2B

tetradic

#2B457E #7E2B6E #7E642B #2B7E3B

square

#2B457E #7E2B6E #7E642B #2B7E3B

split-complementary

#2B457E #7E3B2B #6E7E2B

monochromatic

#0C1323 #1B2C50 #2B457E #3B5EAC #5C7EC7

Accessibility & contrast

On white

9.31

#2B457E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2B457E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B457E

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B457E	#FFFFFF	#000000	##FFFFFF
##2B457E	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)

#2A4B80

Deuteranopia (green-blind)

#1D437D

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b457e;
/* rgb */ color: rgb(43, 69, 126);
/* oklch */ color: oklch(40.1% 0.101 263.9);

Tailwind

colors: {
  custom: {
    50: '#6d78a4',
    500: '#2b457e',
    950: '#000000',
  },
}

SCSS

$custom: #2b457e;
$custom-light: #6d78a4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b457e",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 126
  },
  "hsl": {
    "h": 221.205,
    "s": 49.112,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40068,
    "c": 0.10129,
    "h": 263.9
  },
  "luminance": 0.06276
}

Semantic roles & 50–950 ramp

primary

#2B457E

secondary

#AD9258

accent

#AE4FD9

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2B457E

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

Preview Lab → · Contrast checker → · Palette generator →