#2F5FAB#2F5FAB

#2F5FAB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.3% C 0.132 H 259.3°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#2F5FAB
RGB	rgb(47, 95, 171)
HSL	hsl(217, 57%, 43%)
HSV	hsv(217, 73%, 67%)
CMYK	cmyk(72.5%, 44.4%, 0%, 32.9%)
CIE-LAB	lab(40.78, 10.29, -45.49)
CIE-LCH	lch(40.78, 46.63, 282.75°)
OKLab	oklab(49.26% -0.0246 -0.1301)
OKLCH	oklch(49.26% 0.132 259.3)
XYZ	xyz(12.6125, 11.7277, 40.1191)
Luminance	0.1173 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5FAB #AB7B2F

analogous

#2F9DAB #2F5FAB #3D2FAB

triadic

#2F5FAB #AB2F5F #5FAB2F

tetradic

#2F5FAB #AB2F9D #AB7B2F #2FAB3D

square

#2F5FAB #AB2F9D #AB7B2F #2FAB3D

split-complementary

#2F5FAB #AB3D2F #9DAB2F

monochromatic

#152A4B #22447B #2F5FAB #4A7DCD #7A9FDA

Accessibility & contrast

On white

6.28

#2F5FAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#2F5FAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5FAB

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5FAB	#FFFFFF	#000000	##FFFFFF
##2F5FAB	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3966AE

Deuteranopia (green-blind)

#225BA9

Tritanopia (blue-blind)

#00717C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2f5fab;
/* rgb */ color: rgb(47, 95, 171);
/* oklch */ color: oklch(49.3% 0.132 259.3);

Tailwind

colors: {
  custom: {
    50: '#778bc4',
    500: '#2f5fab',
    950: '#000000',
  },
}

SCSS

$custom: #2f5fab;
$custom-light: #778bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5fab",
  "rgb": {
    "r": 47,
    "g": 95,
    "b": 171
  },
  "hsl": {
    "h": 216.774,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49261,
    "c": 0.13246,
    "h": 259.3
  },
  "luminance": 0.11729
}

Semantic roles & 50–950 ramp

primary

#2F5FAB

secondary

#C3A473

accent

#A548E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F5FAB

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

Preview Lab → · Contrast checker → · Palette generator →