#1955B3#1955B3

#1955B3 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.9% C 0.162 H 259.6°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#1955B3
RGB	rgb(25, 85, 179)
HSL	hsl(217, 75%, 40%)
HSV	hsv(217, 86%, 70%)
CMYK	cmyk(86%, 52.5%, 0%, 29.8%)
CIE-LAB	lab(37.77, 17.57, -55.10)
CIE-LCH	lch(37.77, 57.83, 287.68°)
OKLab	oklab(46.93% -0.0291 -0.1589)
OKLCH	oklch(46.93% 0.162 259.6)
XYZ	xyz(11.7831, 9.9569, 43.9399)
Luminance	0.0996 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1955B3 #B37719

analogous

#19A2B3 #1955B3 #2A19B3

triadic

#1955B3 #B31955 #55B319

tetradic

#1955B3 #B319A2 #B37719 #19B32A

square

#1955B3 #B319A2 #B37719 #19B32A

split-complementary

#1955B3 #B32A19 #A2B319

monochromatic

#0A2248 #123C7D #1955B3 #2870E1 #5E94E8

Accessibility & contrast

On white

7.02

#1955B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#1955B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1955B3

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1955B3	#FFFFFF	#000000	##FFFFFF
##1955B3	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F60B6

Deuteranopia (green-blind)

#0052B1

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1955b3;
/* rgb */ color: rgb(25, 85, 179);
/* oklch */ color: oklch(46.9% 0.162 259.6);

Tailwind

colors: {
  custom: {
    50: '#7384ca',
    500: '#1955b3',
    950: '#000000',
  },
}

SCSS

$custom: #1955b3;
$custom-light: #7384ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1955b3",
  "rgb": {
    "r": 25,
    "g": 85,
    "b": 179
  },
  "hsl": {
    "h": 216.623,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.46925,
    "c": 0.16157,
    "h": 259.6
  },
  "luminance": 0.09958
}

Semantic roles & 50–950 ramp

primary

#1955B3

secondary

#CCA05B

accent

#A936F2

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1955B3

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

Preview Lab → · Contrast checker → · Palette generator →