#1E5AB1#1E5AB1

#1E5AB1 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.0% C 0.152 H 258.5°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#1E5AB1
RGB	rgb(30, 90, 177)
HSL	hsl(216, 71%, 41%)
HSV	hsv(216, 83%, 69%)
CMYK	cmyk(83.1%, 49.2%, 0%, 30.6%)
CIE-LAB	lab(39.18, 13.87, -51.63)
CIE-LCH	lch(39.18, 53.46, 285.04°)
OKLab	oklab(48% -0.0303 -0.1486)
OKLCH	oklch(48% 0.152 258.5)
XYZ	xyz(12.1245, 10.7612, 43.0245)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E5AB1 #B1751E

analogous

#1EA3B1 #1E5AB1 #2B1EB1

triadic

#1E5AB1 #B11E5A #5AB11E

tetradic

#1E5AB1 #B11EA3 #B1751E #1EB12B

square

#1E5AB1 #B11EA3 #B1751E #1EB12B

split-complementary

#1E5AB1 #B12B1E #A3B11E

monochromatic

#0C2548 #153F7D #1E5AB1 #3076DC #6599E5

Accessibility & contrast

On white

6.66

#1E5AB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#1E5AB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E5AB1

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E5AB1	#FFFFFF	#000000	##FFFFFF
##1E5AB1	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2663B4

Deuteranopia (green-blind)

#0056AF

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1e5ab1;
/* rgb */ color: rgb(30, 90, 177);
/* oklch */ color: oklch(48.0% 0.152 258.5);

Tailwind

colors: {
  custom: {
    50: '#7388c9',
    500: '#1e5ab1',
    950: '#000000',
  },
}

SCSS

$custom: #1e5ab1;
$custom-light: #7388c9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e5ab1",
  "rgb": {
    "r": 30,
    "g": 90,
    "b": 177
  },
  "hsl": {
    "h": 215.51,
    "s": 71.014,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47996,
    "c": 0.15164,
    "h": 258.5
  },
  "luminance": 0.10763
}

Semantic roles & 50–950 ramp

primary

#1E5AB1

secondary

#CA9F61

accent

#A43AEE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1E5AB1

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

Preview Lab → · Contrast checker → · Palette generator →