#1951B3#1951B3

#1951B3 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.1% C 0.167 H 260.8°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#1951B3
RGB	rgb(25, 81, 179)
HSL	hsl(218, 75%, 40%)
HSV	hsv(218, 86%, 70%)
CMYK	cmyk(86%, 54.7%, 0%, 29.8%)
CIE-LAB	lab(36.64, 20.24, -56.92)
CIE-LCH	lch(36.64, 60.41, 289.57°)
OKLab	oklab(46.07% -0.0265 -0.1644)
OKLCH	oklch(46.07% 0.167 260.8)
XYZ	xyz(11.4771, 9.3448, 43.8379)
Luminance	0.0935 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1951B3 #B37B19

analogous

#199EB3 #1951B3 #2E19B3

triadic

#1951B3 #B31951 #51B319

tetradic

#1951B3 #B3199E #B37B19 #19B32E

square

#1951B3 #B3199E #B37B19 #19B32E

split-complementary

#1951B3 #B32E19 #9EB319

monochromatic

#0A2048 #12397D #1951B3 #286BE1 #5E90E8

Accessibility & contrast

On white

7.32

#1951B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#1951B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1951B3

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1951B3	#FFFFFF	#000000	##FFFFFF
##1951B3	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB6

Deuteranopia (green-blind)

#0050B1

Tritanopia (blue-blind)

#00697A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1951b3;
/* rgb */ color: rgb(25, 81, 179);
/* oklch */ color: oklch(46.1% 0.167 260.8);

Tailwind

colors: {
  custom: {
    50: '#7381ca',
    500: '#1951b3',
    950: '#000000',
  },
}

SCSS

$custom: #1951b3;
$custom-light: #7381ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1951b3",
  "rgb": {
    "r": 25,
    "g": 81,
    "b": 179
  },
  "hsl": {
    "h": 218.182,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.46069,
    "c": 0.1665,
    "h": 260.8
  },
  "luminance": 0.09346
}

Semantic roles & 50–950 ramp

primary

#1951B3

secondary

#CCA35B

accent

#AE36F2

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1951B3

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

Preview Lab → · Contrast checker → · Palette generator →