#1C2AA9#1C2AA9

#1C2AA9 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.0% C 0.198 H 268.3°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#1C2AA9
RGB	rgb(28, 42, 169)
HSL	hsl(234, 72%, 39%)
HSV	hsv(234, 83%, 66%)
CMYK	cmyk(83.4%, 75.1%, 0%, 33.7%)
CIE-LAB	lab(26.06, 42.01, -68.30)
CIE-LCH	lch(26.06, 80.18, 301.59°)
OKLab	oklab(38% -0.0057 -0.1979)
OKLCH	oklch(38% 0.198 268.3)
XYZ	xyz(8.4658, 4.7664, 38.0022)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2AA9 #A99B1C

analogous

#1C70A9 #1C2AA9 #541CA9

triadic

#1C2AA9 #A91C2A #2AA91C

tetradic

#1C2AA9 #A91C70 #A99B1C #1CA954

square

#1C2AA9 #A91C70 #A99B1C #1CA954

split-complementary

#1C2AA9 #A9541C #70A91C

monochromatic

#0B1040 #131D74 #1C2AA9 #2739DB #5B69E4

Accessibility & contrast

On white

10.75

#1C2AA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1C2AA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2AA9

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2AA9	#FFFFFF	#000000	##FFFFFF
##1C2AA9	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AD

Deuteranopia (green-blind)

#0037A7

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1c2aa9;
/* rgb */ color: rgb(28, 42, 169);
/* oklch */ color: oklch(38.0% 0.198 268.3);

Tailwind

colors: {
  custom: {
    50: '#7565c4',
    500: '#1c2aa9',
    950: '#000000',
  },
}

SCSS

$custom: #1c2aa9;
$custom-light: #7565c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2aa9",
  "rgb": {
    "r": 28,
    "g": 42,
    "b": 169
  },
  "hsl": {
    "h": 234.043,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38004,
    "c": 0.19802,
    "h": 268.3
  },
  "luminance": 0.04767
}

Semantic roles & 50–950 ramp

primary

#1C2AA9

secondary

#C8BD59

accent

#DC39EE

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #1C2AA9

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

Preview Lab → · Contrast checker → · Palette generator →