#2F5DAB#2F5DAB

#2F5DAB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.8% C 0.135 H 260.3°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#2F5DAB
RGB	rgb(47, 93, 171)
HSL	hsl(218, 57%, 43%)
HSV	hsv(218, 73%, 67%)
CMYK	cmyk(72.5%, 45.6%, 0%, 32.9%)
CIE-LAB	lab(40.20, 11.58, -46.41)
CIE-LCH	lch(40.20, 47.84, 284.01°)
OKLab	oklab(48.81% -0.0228 -0.1329)
OKLCH	oklch(48.81% 0.135 260.3)
XYZ	xyz(12.4347, 11.3720, 40.0599)
Luminance	0.1137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5DAB #AB7D2F

analogous

#2F9BAB #2F5DAB #3F2FAB

triadic

#2F5DAB #AB2F5D #5DAB2F

tetradic

#2F5DAB #AB2F9B #AB7D2F #2FAB3F

square

#2F5DAB #AB2F9B #AB7D2F #2FAB3F

split-complementary

#2F5DAB #AB3F2F #9BAB2F

monochromatic

#15294B #22437B #2F5DAB #4A7BCD #7A9EDA

Accessibility & contrast

On white

6.41

#2F5DAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#2F5DAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5DAB

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5DAB	#FFFFFF	#000000	##FFFFFF
##2F5DAB	1.00	6.41	3.27	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3565AE

Deuteranopia (green-blind)

#1C59A9

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2f5dab;
/* rgb */ color: rgb(47, 93, 171);
/* oklch */ color: oklch(48.8% 0.135 260.3);

Tailwind

colors: {
  custom: {
    50: '#778ac4',
    500: '#2f5dab',
    950: '#000000',
  },
}

SCSS

$custom: #2f5dab;
$custom-light: #778ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5dab",
  "rgb": {
    "r": 47,
    "g": 93,
    "b": 171
  },
  "hsl": {
    "h": 217.742,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48813,
    "c": 0.13486,
    "h": 260.3
  },
  "luminance": 0.11373
}

Semantic roles & 50–950 ramp

primary

#2F5DAB

secondary

#C3A573

accent

#A848E0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F5DAB

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

Preview Lab → · Contrast checker → · Palette generator →