#1E25BB#1E25BB

#1E25BB is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.5% C 0.223 H 268.6°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#1E25BB
RGB	rgb(30, 37, 187)
HSL	hsl(237, 72%, 43%)
HSV	hsv(237, 84%, 73%)
CMYK	cmyk(84%, 80.2%, 0%, 26.7%)
CIE-LAB	lab(27.26, 50.87, -77.07)
CIE-LCH	lch(27.26, 92.34, 303.43°)
OKLab	oklab(39.48% -0.0055 -0.2233)
OKLCH	oklch(39.48% 0.223 268.6)
XYZ	xyz(10.1636, 5.1858, 47.4694)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E25BB #BBB41E

analogous

#1E73BB #1E25BB #661EBB

triadic

#1E25BB #BB1E25 #25BB1E

tetradic

#1E25BB #BB1E73 #BBB41E #1EBB66

square

#1E25BB #BB1E73 #BBB41E #1EBB66

split-complementary

#1E25BB #BB661E #73BB1E

monochromatic

#0D1052 #161B86 #1E25BB #373FDF #6C71E7

Accessibility & contrast

On white

10.31

#1E25BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1E25BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E25BB

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E25BB	#FFFFFF	#000000	##FFFFFF
##1E25BB	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048BF

Deuteranopia (green-blind)

#0038B8

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1e25bb;
/* rgb */ color: rgb(30, 37, 187);
/* oklch */ color: oklch(39.5% 0.223 268.6);

Tailwind

colors: {
  custom: {
    50: '#7a63d1',
    500: '#1e25bb',
    950: '#000000',
  },
}

SCSS

$custom: #1e25bb;
$custom-light: #7a63d1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e25bb",
  "rgb": {
    "r": 30,
    "g": 37,
    "b": 187
  },
  "hsl": {
    "h": 237.325,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.39475,
    "c": 0.22333,
    "h": 268.6
  },
  "luminance": 0.05187
}

Semantic roles & 50–950 ramp

primary

#1E25BB

secondary

#CDC967

accent

#E739EF

background

#F8F6FD

surface

#EFEBFA

border

#CAC6D3

text

#0B0514

muted

#7C7A83

Preview Lab

Preview with #1E25BB

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

Preview Lab → · Contrast checker → · Palette generator →