#1C25A9#1C25A9

#1C25A9 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.3% C 0.203 H 268.8°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#1C25A9
RGB	rgb(28, 37, 169)
HSL	hsl(236, 72%, 39%)
HSV	hsv(236, 83%, 66%)
CMYK	cmyk(83.4%, 78.1%, 0%, 33.7%)
CIE-LAB	lab(25.06, 44.86, -69.96)
CIE-LCH	lch(25.06, 83.11, 302.67°)
OKLab	oklab(37.29% -0.0043 -0.2027)
OKLCH	oklch(37.29% 0.203 268.8)
XYZ	xyz(8.2994, 4.4336, 37.9468)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C25A9 #A9A01C

analogous

#1C6BA9 #1C25A9 #591CA9

triadic

#1C25A9 #A91C25 #25A91C

tetradic

#1C25A9 #A91C6B #A9A01C #1CA959

square

#1C25A9 #A91C6B #A9A01C #1CA959

split-complementary

#1C25A9 #A9591C #6BA91C

monochromatic

#0B0E40 #131A74 #1C25A9 #2732DB #5B64E4

Accessibility & contrast

On white

11.13

#1C25A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1C25A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C25A9

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C25A9	#FFFFFF	#000000	##FFFFFF
##1C25A9	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AD

Deuteranopia (green-blind)

#0034A7

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1c25a9;
/* rgb */ color: rgb(28, 37, 169);
/* oklch */ color: oklch(37.3% 0.203 268.8);

Tailwind

colors: {
  custom: {
    50: '#7562c4',
    500: '#1c25a9',
    950: '#000000',
  },
}

SCSS

$custom: #1c25a9;
$custom-light: #7562c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c25a9",
  "rgb": {
    "r": 28,
    "g": 37,
    "b": 169
  },
  "hsl": {
    "h": 236.17,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37294,
    "c": 0.20275,
    "h": 268.8
  },
  "luminance": 0.04435
}

Semantic roles & 50–950 ramp

primary

#1C25A9

secondary

#C8C159

accent

#E339EE

background

#F7F5FC

surface

#EEEAF8

border

#C9C6D1

text

#0A0513

muted

#7C7982

Preview Lab

Preview with #1C25A9

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

Preview Lab → · Contrast checker → · Palette generator →