#2B4C85#2B4C85

#2B4C85 is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.2% C 0.103 H 260.6°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#2B4C85
RGB	rgb(43, 76, 133)
HSL	hsl(218, 51%, 35%)
HSV	hsv(218, 68%, 52%)
CMYK	cmyk(67.7%, 42.9%, 0%, 47.8%)
CIE-LAB	lab(32.65, 7.72, -35.58)
CIE-LCH	lch(32.65, 36.41, 282.24°)
OKLab	oklab(42.17% -0.0168 -0.1014)
OKLCH	oklch(42.17% 0.103 260.6)
XYZ	xyz(7.8128, 7.3752, 23.1976)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4C85 #85642B

analogous

#2B7985 #2B4C85 #372B85

triadic

#2B4C85 #852B4C #4C852B

tetradic

#2B4C85 #852B79 #85642B #2B8537

square

#2B4C85 #852B79 #85642B #2B8537

split-complementary

#2B4C85 #85372B #79852B

monochromatic

#0D1729 #1C3257 #2B4C85 #3A66B3 #5F87CB

Accessibility & contrast

On white

8.48

#2B4C85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2B4C85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4C85

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4C85	#FFFFFF	#000000	##FFFFFF
##2B4C85	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325187

Deuteranopia (green-blind)

#244984

Tritanopia (blue-blind)

#005962

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b4c85;
/* rgb */ color: rgb(43, 76, 133);
/* oklch */ color: oklch(42.2% 0.103 260.6);

Tailwind

colors: {
  custom: {
    50: '#6f7da9',
    500: '#2b4c85',
    950: '#000000',
  },
}

SCSS

$custom: #2b4c85;
$custom-light: #6f7da9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4c85",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 133
  },
  "hsl": {
    "h": 218,
    "s": 51.136,
    "l": 34.51
  },
  "oklch": {
    "l": 0.42174,
    "c": 0.10282,
    "h": 260.6
  },
  "luminance": 0.07376
}

Semantic roles & 50–950 ramp

primary

#2B4C85

secondary

#B1915B

accent

#A74DDB

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4C85

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

Preview Lab → · Contrast checker → · Palette generator →