#1C3097#1C3097

#1C3097 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.1% C 0.169 H 267.9°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#1C3097
RGB	rgb(28, 48, 151)
HSL	hsl(230, 69%, 35%)
HSV	hsv(230, 81%, 59%)
CMYK	cmyk(81.5%, 68.2%, 0%, 40.8%)
CIE-LAB	lab(25.55, 31.69, -58.20)
CIE-LCH	lch(25.55, 66.27, 298.57°)
OKLab	oklab(37.07% -0.0062 -0.1685)
OKLCH	oklch(37.07% 0.169 267.9)
XYZ	xyz(7.1198, 4.5943, 29.7837)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3097 #97831C

analogous

#1C6D97 #1C3097 #461C97

triadic

#1C3097 #971C30 #30971C

tetradic

#1C3097 #971C6D #97831C #1C9746

square

#1C3097 #971C6D #97831C #1C9746

split-complementary

#1C3097 #97461C #6D971C

monochromatic

#090F30 #122063 #1C3097 #2640CB #4F66DE

Accessibility & contrast

On white

10.94

#1C3097 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1C3097 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3097

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3097	#FFFFFF	#000000	##FFFFFF
##1C3097	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429A

Deuteranopia (green-blind)

#003795

Tritanopia (blue-blind)

#004C5F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c3097;
/* rgb */ color: rgb(28, 48, 151);
/* oklch */ color: oklch(37.1% 0.169 267.9);

Tailwind

colors: {
  custom: {
    50: '#6f68b7',
    500: '#1c3097',
    950: '#000000',
  },
}

SCSS

$custom: #1c3097;
$custom-light: #6f68b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3097",
  "rgb": {
    "r": 28,
    "g": 48,
    "b": 151
  },
  "hsl": {
    "h": 230.244,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37074,
    "c": 0.16866,
    "h": 267.9
  },
  "luminance": 0.04595
}

Semantic roles & 50–950 ramp

primary

#1C3097

secondary

#C1AE4E

accent

#CF3CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1C3097

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

Preview Lab → · Contrast checker → · Palette generator →