#1E55A9#1E55A9

#1E55A9 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.3% C 0.147 H 259.1°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#1E55A9
RGB	rgb(30, 85, 169)
HSL	hsl(216, 70%, 39%)
HSV	hsv(216, 82%, 66%)
CMYK	cmyk(82.2%, 49.7%, 0%, 33.7%)
CIE-LAB	lab(37.18, 14.01, -50.11)
CIE-LCH	lch(37.18, 52.04, 285.62°)
OKLab	oklab(46.29% -0.0278 -0.1442)
OKLCH	oklch(46.29% 0.147 259.1)
XYZ	xyz(10.9427, 9.6363, 38.8117)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E55A9 #A9721E

analogous

#1E9BA9 #1E55A9 #2D1EA9

triadic

#1E55A9 #A91E55 #55A91E

tetradic

#1E55A9 #A91E9B #A9721E #1EA92D

square

#1E55A9 #A91E9B #A9721E #1EA92D

split-complementary

#1E55A9 #A92D1E #9BA91E

monochromatic

#0C2141 #153B75 #1E55A9 #2B70D9 #5F93E3

Accessibility & contrast

On white

7.17

#1E55A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#1E55A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E55A9

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E55A9	#FFFFFF	#000000	##FFFFFF
##1E55A9	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225EAC

Deuteranopia (green-blind)

#0052A7

Tritanopia (blue-blind)

#006977

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1e55a9;
/* rgb */ color: rgb(30, 85, 169);
/* oklch */ color: oklch(46.3% 0.147 259.1);

Tailwind

colors: {
  custom: {
    50: '#7284c3',
    500: '#1e55a9',
    950: '#000000',
  },
}

SCSS

$custom: #1e55a9;
$custom-light: #7284c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1e55a9",
  "rgb": {
    "r": 30,
    "g": 85,
    "b": 169
  },
  "hsl": {
    "h": 216.259,
    "s": 69.849,
    "l": 39.02
  },
  "oklch": {
    "l": 0.46289,
    "c": 0.14687,
    "h": 259.1
  },
  "luminance": 0.09638
}

Semantic roles & 50–950 ramp

primary

#1E55A9

secondary

#C79D5C

accent

#A63BED

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1E55A9

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

Preview Lab → · Contrast checker → · Palette generator →