#2B3A7E#2B3A7E

#2B3A7E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.6% C 0.116 H 270.5°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B3A7E
RGB	rgb(43, 58, 126)
HSL	hsl(229, 49%, 33%)
HSV	hsv(229, 66%, 49%)
CMYK	cmyk(65.9%, 54%, 0%, 50.6%)
CIE-LAB	lab(26.86, 17.31, -40.50)
CIE-LCH	lch(26.86, 44.04, 293.15°)
OKLab	oklab(37.6% 0.0011 -0.1162)
OKLCH	oklch(37.6% 0.116 270.5)
XYZ	xyz(6.2739, 5.0455, 20.3779)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3A7E #7E6F2B

analogous

#2B637E #2B3A7E #462B7E

triadic

#2B3A7E #7E2B3A #3A7E2B

tetradic

#2B3A7E #7E2B63 #7E6F2B #2B7E46

square

#2B3A7E #7E2B63 #7E6F2B #2B7E46

split-complementary

#2B3A7E #7E462B #637E2B

monochromatic

#0C1023 #1B2550 #2B3A7E #3B4FAC #5C6FC7

Accessibility & contrast

On white

10.45

#2B3A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#2B3A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3A7E

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3A7E	#FFFFFF	#000000	##FFFFFF
##2B3A7E	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114380

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b3a7e;
/* rgb */ color: rgb(43, 58, 126);
/* oklch */ color: oklch(37.6% 0.116 270.5);

Tailwind

colors: {
  custom: {
    50: '#6e6fa4',
    500: '#2b3a7e',
    950: '#000000',
  },
}

SCSS

$custom: #2b3a7e;
$custom-light: #6e6fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3a7e",
  "rgb": {
    "r": 43,
    "g": 58,
    "b": 126
  },
  "hsl": {
    "h": 229.157,
    "s": 49.112,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37603,
    "c": 0.11616,
    "h": 270.5
  },
  "luminance": 0.05046
}

Semantic roles & 50–950 ramp

primary

#2B3A7E

secondary

#AD9E58

accent

#C04FD9

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #2B3A7E

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

Preview Lab → · Contrast checker → · Palette generator →