#2F5CB0#2F5CB0

#2F5CB0 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.143 H 261.5°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#2F5CB0
RGB	rgb(47, 92, 176)
HSL	hsl(219, 58%, 44%)
HSV	hsv(219, 73%, 69%)
CMYK	cmyk(73.3%, 47.7%, 0%, 31%)
CIE-LAB	lab(40.23, 14.13, -49.31)
CIE-LCH	lch(40.23, 51.30, 285.98°)
OKLab	oklab(48.94% -0.021 -0.1415)
OKLCH	oklch(48.94% 0.143 261.5)
XYZ	xyz(12.8331, 11.3918, 42.5884)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5CB0 #B0832F

analogous

#2F9CB0 #2F5CB0 #422FB0

triadic

#2F5CB0 #B02F5C #5CB02F

tetradic

#2F5CB0 #B02F9C #B0832F #2FB042

square

#2F5CB0 #B02F9C #B0832F #2FB042

split-complementary

#2F5CB0 #B0422F #9CB02F

monochromatic

#152A4F #224380 #2F5CB0 #4D7ACF #7D9EDC

Accessibility & contrast

On white

6.41

#2F5CB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#2F5CB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5CB0

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5CB0	#FFFFFF	#000000	##FFFFFF
##2F5CB0	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F65B3

Deuteranopia (green-blind)

#0C59AE

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2f5cb0;
/* rgb */ color: rgb(47, 92, 176);
/* oklch */ color: oklch(48.9% 0.143 261.5);

Tailwind

colors: {
  custom: {
    50: '#7989c8',
    500: '#2f5cb0',
    950: '#000000',
  },
}

SCSS

$custom: #2f5cb0;
$custom-light: #7989c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5cb0",
  "rgb": {
    "r": 47,
    "g": 92,
    "b": 176
  },
  "hsl": {
    "h": 219.07,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.48941,
    "c": 0.14302,
    "h": 261.5
  },
  "luminance": 0.11393
}

Semantic roles & 50–950 ramp

primary

#2F5CB0

secondary

#C5A976

accent

#AB47E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F5CB0

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

Preview Lab → · Contrast checker → · Palette generator →