#1C3897#1C3897

#1C3897 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.6% C 0.159 H 266.2°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#1C3897
RGB	rgb(28, 56, 151)
HSL	hsl(226, 69%, 35%)
HSV	hsv(226, 81%, 59%)
CMYK	cmyk(81.5%, 62.9%, 0%, 40.8%)
CIE-LAB	lab(27.60, 26.32, -54.83)
CIE-LCH	lch(27.60, 60.83, 295.64°)
OKLab	oklab(38.58% -0.0107 -0.1586)
OKLCH	oklch(38.58% 0.159 266.2)
XYZ	xyz(7.4770, 5.3087, 29.9028)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3897 #977B1C

analogous

#1C7697 #1C3897 #3D1C97

triadic

#1C3897 #971C38 #38971C

tetradic

#1C3897 #971C76 #977B1C #1C973D

square

#1C3897 #971C76 #977B1C #1C973D

split-complementary

#1C3897 #973D1C #76971C

monochromatic

#091230 #122563 #1C3897 #264BCB #4F70DE

Accessibility & contrast

On white

10.18

#1C3897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1C3897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3897

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3897	#FFFFFF	#000000	##FFFFFF
##1C3897	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479A

Deuteranopia (green-blind)

#003C95

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1c3897;
/* rgb */ color: rgb(28, 56, 151);
/* oklch */ color: oklch(38.6% 0.159 266.2);

Tailwind

colors: {
  custom: {
    50: '#6e6eb6',
    500: '#1c3897',
    950: '#000000',
  },
}

SCSS

$custom: #1c3897;
$custom-light: #6e6eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3897",
  "rgb": {
    "r": 28,
    "g": 56,
    "b": 151
  },
  "hsl": {
    "h": 226.341,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38584,
    "c": 0.15899,
    "h": 266.2
  },
  "luminance": 0.0531
}

Semantic roles & 50–950 ramp

primary

#1C3897

secondary

#C1A74E

accent

#C43CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #1C3897

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

Preview Lab → · Contrast checker → · Palette generator →