#2F5BAB#2F5BAB

#2F5BAB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.4% C 0.137 H 261.2°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F5BAB
RGB	rgb(47, 91, 171)
HSL	hsl(219, 57%, 43%)
HSV	hsv(219, 73%, 67%)
CMYK	cmyk(72.5%, 46.8%, 0%, 32.9%)
CIE-LAB	lab(39.62, 12.89, -47.34)
CIE-LCH	lch(39.62, 49.06, 285.23°)
OKLab	oklab(48.37% -0.021 -0.1357)
OKLCH	oklch(48.37% 0.137 261.2)
XYZ	xyz(12.2614, 11.0255, 40.0021)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5BAB #AB7F2F

analogous

#2F99AB #2F5BAB #412FAB

triadic

#2F5BAB #AB2F5B #5BAB2F

tetradic

#2F5BAB #AB2F99 #AB7F2F #2FAB41

square

#2F5BAB #AB2F99 #AB7F2F #2FAB41

split-complementary

#2F5BAB #AB412F #99AB2F

monochromatic

#15284B #22417B #2F5BAB #4A79CD #7A9CDA

Accessibility & contrast

On white

6.55

#2F5BAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#2F5BAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5BAB

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5BAB	#FFFFFF	#000000	##FFFFFF
##2F5BAB	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3163AE

Deuteranopia (green-blind)

#1558A9

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2f5bab;
/* rgb */ color: rgb(47, 91, 171);
/* oklch */ color: oklch(48.4% 0.137 261.2);

Tailwind

colors: {
  custom: {
    50: '#7888c4',
    500: '#2f5bab',
    950: '#000000',
  },
}

SCSS

$custom: #2f5bab;
$custom-light: #7888c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5bab",
  "rgb": {
    "r": 47,
    "g": 91,
    "b": 171
  },
  "hsl": {
    "h": 218.71,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48369,
    "c": 0.13729,
    "h": 261.2
  },
  "luminance": 0.11027
}

Semantic roles & 50–950 ramp

primary

#2F5BAB

secondary

#C3A673

accent

#AA48E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F5BAB

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

Preview Lab → · Contrast checker → · Palette generator →