#1E5BB3#1E5BB3

#1E5BB3 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.4% C 0.153 H 258.4°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#1E5BB3
RGB	rgb(30, 91, 179)
HSL	hsl(215, 71%, 41%)
HSV	hsv(215, 83%, 70%)
CMYK	cmyk(83.2%, 49.2%, 0%, 29.8%)
CIE-LAB	lab(39.60, 14.01, -52.13)
CIE-LCH	lch(39.60, 53.97, 285.04°)
OKLab	oklab(48.37% -0.0308 -0.15)
OKLCH	oklch(48.37% 0.153 258.4)
XYZ	xyz(12.4102, 11.0113, 44.1104)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E5BB3 #B3761E

analogous

#1EA5B3 #1E5BB3 #2B1EB3

triadic

#1E5BB3 #B31E5B #5BB31E

tetradic

#1E5BB3 #B31EA5 #B3761E #1EB32B

square

#1E5BB3 #B31EA5 #B3761E #1EB32B

split-complementary

#1E5BB3 #B32B1E #A5B31E

monochromatic

#0C264A #15407F #1E5BB3 #3278DD #669AE5

Accessibility & contrast

On white

6.56

#1E5BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#1E5BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E5BB3

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E5BB3	#FFFFFF	#000000	##FFFFFF
##1E5BB3	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2664B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1e5bb3;
/* rgb */ color: rgb(30, 91, 179);
/* oklch */ color: oklch(48.4% 0.153 258.4);

Tailwind

colors: {
  custom: {
    50: '#7488ca',
    500: '#1e5bb3',
    950: '#000000',
  },
}

SCSS

$custom: #1e5bb3;
$custom-light: #7488ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1e5bb3",
  "rgb": {
    "r": 30,
    "g": 91,
    "b": 179
  },
  "hsl": {
    "h": 215.436,
    "s": 71.292,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48365,
    "c": 0.15313,
    "h": 258.4
  },
  "luminance": 0.11013
}

Semantic roles & 50–950 ramp

primary

#1E5BB3

secondary

#CBA062

accent

#A43AEE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1E5BB3

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

Preview Lab → · Contrast checker → · Palette generator →