#2F61B3#2F61B3

#2F61B3 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.3% C 0.141 H 259.8°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#2F61B3
RGB	rgb(47, 97, 179)
HSL	hsl(217, 58%, 44%)
HSV	hsv(217, 74%, 70%)
CMYK	cmyk(73.7%, 45.8%, 0%, 29.8%)
CIE-LAB	lab(41.86, 12.02, -48.47)
CIE-LCH	lch(41.86, 49.94, 283.93°)
OKLab	oklab(50.25% -0.025 -0.1389)
OKLCH	oklch(50.25% 0.141 259.8)
XYZ	xyz(13.5807, 12.4069, 44.3181)
Luminance	0.1241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F61B3 #B3812F

analogous

#2FA3B3 #2F61B3 #3F2FB3

triadic

#2F61B3 #B32F61 #61B32F

tetradic

#2F61B3 #B32FA3 #B3812F #2FB33F

square

#2F61B3 #B32FA3 #B3812F #2FB33F

split-complementary

#2F61B3 #B33F2F #A3B32F

monochromatic

#162C52 #224783 #2F61B3 #4F80D1 #7FA3DD

Accessibility & contrast

On white

6.03

#2F61B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#2F61B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F61B3

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F61B3	#FFFFFF	#000000	##FFFFFF
##2F61B3	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3769B6

Deuteranopia (green-blind)

#1A5DB1

Tritanopia (blue-blind)

#007481

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #2f61b3;
/* rgb */ color: rgb(47, 97, 179);
/* oklch */ color: oklch(50.3% 0.141 259.8);

Tailwind

colors: {
  custom: {
    50: '#798dca',
    500: '#2f61b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f61b3;
$custom-light: #798dca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f61b3",
  "rgb": {
    "r": 47,
    "g": 97,
    "b": 179
  },
  "hsl": {
    "h": 217.273,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.50251,
    "c": 0.14112,
    "h": 259.8
  },
  "luminance": 0.12408
}

Semantic roles & 50–950 ramp

primary

#2F61B3

secondary

#C6A878

accent

#A746E2

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F61B3

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

Preview Lab → · Contrast checker → · Palette generator →