#2F61B8#2F61B8

#2F61B8 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.6% C 0.148 H 260.6°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#2F61B8
RGB	rgb(47, 97, 184)
HSL	hsl(218, 59%, 45%)
HSV	hsv(218, 74%, 72%)
CMYK	cmyk(74.5%, 47.3%, 0%, 27.8%)
CIE-LAB	lab(42.17, 13.91, -50.88)
CIE-LCH	lch(42.17, 52.75, 285.29°)
OKLab	oklab(50.6% -0.0241 -0.146)
OKLCH	oklch(50.6% 0.148 260.6)
XYZ	xyz(14.0956, 12.6129, 47.0298)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F61B8 #B8862F

analogous

#2FA5B8 #2F61B8 #412FB8

triadic

#2F61B8 #B82F61 #61B82F

tetradic

#2F61B8 #B82FA5 #B8862F #2FB841

square

#2F61B8 #B82FA5 #B8862F #2FB841

split-complementary

#2F61B8 #B8412F #A5B82F

monochromatic

#162E57 #234787 #2F61B8 #5281D3 #82A4DF

Accessibility & contrast

On white

5.96

#2F61B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#2F61B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F61B8

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F61B8	#FFFFFF	#000000	##FFFFFF
##2F61B8	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326ABB

Deuteranopia (green-blind)

#0D5EB6

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2f61b8;
/* rgb */ color: rgb(47, 97, 184);
/* oklch */ color: oklch(50.6% 0.148 260.6);

Tailwind

colors: {
  custom: {
    50: '#7a8dce',
    500: '#2f61b8',
    950: '#000000',
  },
}

SCSS

$custom: #2f61b8;
$custom-light: #7a8dce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f61b8",
  "rgb": {
    "r": 47,
    "g": 97,
    "b": 184
  },
  "hsl": {
    "h": 218.102,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.50598,
    "c": 0.14797,
    "h": 260.6
  },
  "luminance": 0.12614
}

Semantic roles & 50–950 ramp

primary

#2F61B8

secondary

#C8AC7B

accent

#A945E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2F61B8

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

Preview Lab → · Contrast checker → · Palette generator →