#1E55A8#1E55A8

#1E55A8 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.2% C 0.145 H 258.9°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#1E55A8
RGB	rgb(30, 85, 168)
HSL	hsl(216, 70%, 39%)
HSV	hsv(216, 82%, 66%)
CMYK	cmyk(82.1%, 49.4%, 0%, 34.1%)
CIE-LAB	lab(37.11, 13.61, -49.63)
CIE-LCH	lch(37.11, 51.46, 285.33°)
OKLab	oklab(46.21% -0.028 -0.1428)
OKLCH	oklch(46.21% 0.145 258.9)
XYZ	xyz(10.8492, 9.5989, 38.3192)
Luminance	0.0960 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E55A8 #A8711E

analogous

#1E9AA8 #1E55A8 #2C1EA8

triadic

#1E55A8 #A81E55 #55A81E

tetradic

#1E55A8 #A81E9A #A8711E #1EA82C

square

#1E55A8 #A81E9A #A8711E #1EA82C

split-complementary

#1E55A8 #A82C1E #9AA81E

monochromatic

#0B2040 #153B74 #1E55A8 #2A70D9 #5E93E2

Accessibility & contrast

On white

7.19

#1E55A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#1E55A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E55A8

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E55A8	#FFFFFF	#000000	##FFFFFF
##1E55A8	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245EAB

Deuteranopia (green-blind)

#0051A6

Tritanopia (blue-blind)

#006976

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1e55a8;
/* rgb */ color: rgb(30, 85, 168);
/* oklch */ color: oklch(46.2% 0.145 258.9);

Tailwind

colors: {
  custom: {
    50: '#7184c2',
    500: '#1e55a8',
    950: '#000000',
  },
}

SCSS

$custom: #1e55a8;
$custom-light: #7184c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e55a8",
  "rgb": {
    "r": 30,
    "g": 85,
    "b": 168
  },
  "hsl": {
    "h": 216.087,
    "s": 69.697,
    "l": 38.824
  },
  "oklch": {
    "l": 0.46214,
    "c": 0.14549,
    "h": 258.9
  },
  "luminance": 0.096
}

Semantic roles & 50–950 ramp

primary

#1E55A8

secondary

#C79C5B

accent

#A63BED

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1E55A8

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

Preview Lab → · Contrast checker → · Palette generator →