#2B4D8E#2B4D8E

#2B4D8E is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.0% C 0.115 H 262.0°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D8E
RGB	rgb(43, 77, 142)
HSL	hsl(219, 54%, 36%)
HSV	hsv(219, 70%, 56%)
CMYK	cmyk(69.7%, 45.8%, 0%, 44.3%)
CIE-LAB	lab(33.51, 10.48, -39.73)
CIE-LCH	lch(33.51, 41.09, 284.77°)
OKLab	oklab(43.02% -0.016 -0.1136)
OKLCH	oklch(43.02% 0.115 262)
XYZ	xyz(8.5309, 7.7735, 26.6368)
Luminance	0.0777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D8E #8E6C2B

analogous

#2B7F8E #2B4D8E #3B2B8E

triadic

#2B4D8E #8E2B4D #4D8E2B

tetradic

#2B4D8E #8E2B7F #8E6C2B #2B8E3B

square

#2B4D8E #8E2B7F #8E6C2B #2B8E3B

split-complementary

#2B4D8E #8E3B2B #7F8E2B

monochromatic

#0F1A30 #1D345F #2B4D8E #3966BD #6389D0

Accessibility & contrast

On white

8.22

#2B4D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2B4D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D8E

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D8E	#FFFFFF	#000000	##FFFFFF
##2B4D8E	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5490

Deuteranopia (green-blind)

#1B4B8D

Tritanopia (blue-blind)

#005C66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2b4d8e;
/* rgb */ color: rgb(43, 77, 142);
/* oklch */ color: oklch(43.0% 0.115 262.0);

Tailwind

colors: {
  custom: {
    50: '#707eaf',
    500: '#2b4d8e',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d8e;
$custom-light: #707eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d8e",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 142
  },
  "hsl": {
    "h": 219.394,
    "s": 53.514,
    "l": 36.275
  },
  "oklch": {
    "l": 0.4302,
    "c": 0.11473,
    "h": 262
  },
  "luminance": 0.07774
}

Semantic roles & 50–950 ramp

primary

#2B4D8E

secondary

#B6985F

accent

#AB4BDD

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4D8E

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

Preview Lab → · Contrast checker → · Palette generator →