#2B4FA7#2B4FA7

#2B4FA7 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.3% C 0.148 H 264.5°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#2B4FA7
RGB	rgb(43, 79, 167)
HSL	hsl(223, 59%, 41%)
HSV	hsv(223, 74%, 65%)
CMYK	cmyk(74.3%, 52.7%, 0%, 34.5%)
CIE-LAB	lab(35.78, 18.72, -51.17)
CIE-LCH	lch(35.78, 54.48, 290.10°)
OKLab	oklab(45.3% -0.0143 -0.1472)
OKLCH	oklch(45.3% 0.148 264.5)
XYZ	xyz(10.7648, 8.8944, 37.7012)
Luminance	0.0890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4FA7 #A7832B

analogous

#2B8DA7 #2B4FA7 #452BA7

triadic

#2B4FA7 #A72B4F #4FA72B

tetradic

#2B4FA7 #A72B8D #A7832B #2BA745

square

#2B4FA7 #A72B8D #A7832B #2BA745

split-complementary

#2B4FA7 #A7452B #8DA72B

monochromatic

#122146 #1E3876 #2B4FA7 #416ACE #7290DB

Accessibility & contrast

On white

7.56

#2B4FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2B4FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4FA7

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4FA7	#FFFFFF	#000000	##FFFFFF
##2B4FA7	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#145AAA

Deuteranopia (green-blind)

#004FA5

Tritanopia (blue-blind)

#006473

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2b4fa7;
/* rgb */ color: rgb(43, 79, 167);
/* oklch */ color: oklch(45.3% 0.148 264.5);

Tailwind

colors: {
  custom: {
    50: '#767fc2',
    500: '#2b4fa7',
    950: '#000000',
  },
}

SCSS

$custom: #2b4fa7;
$custom-light: #767fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4fa7",
  "rgb": {
    "r": 43,
    "g": 79,
    "b": 167
  },
  "hsl": {
    "h": 222.581,
    "s": 59.048,
    "l": 41.176
  },
  "oklch": {
    "l": 0.45301,
    "c": 0.14791,
    "h": 264.5
  },
  "luminance": 0.08896
}

Semantic roles & 50–950 ramp

primary

#2B4FA7

secondary

#C2A96C

accent

#B546E2

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2B4FA7

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

Preview Lab → · Contrast checker → · Palette generator →