#1C3495#1C3495

#1C3495 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.161 H 267.0°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#1C3495
RGB	rgb(28, 52, 149)
HSL	hsl(228, 68%, 35%)
HSV	hsv(228, 81%, 58%)
CMYK	cmyk(81.2%, 65.1%, 0%, 41.6%)
CIE-LAB	lab(26.37, 28.25, -55.62)
CIE-LCH	lch(26.37, 62.39, 296.93°)
OKLab	oklab(37.62% -0.0083 -0.161)
OKLCH	oklch(37.62% 0.161 267)
XYZ	xyz(7.1298, 4.8720, 28.9926)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3495 #957D1C

analogous

#1C7195 #1C3495 #401C95

triadic

#1C3495 #951C34 #34951C

tetradic

#1C3495 #951C71 #957D1C #1C9540

square

#1C3495 #951C71 #957D1C #1C9540

split-complementary

#1C3495 #95401C #71951C

monochromatic

#09102E #122261 #1C3495 #2646C9 #4E6ADE

Accessibility & contrast

On white

10.64

#1C3495 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1C3495 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3495

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3495	#FFFFFF	#000000	##FFFFFF
##1C3495	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004498

Deuteranopia (green-blind)

#003993

Tritanopia (blue-blind)

#004E5F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1c3495;
/* rgb */ color: rgb(28, 52, 149);
/* oklch */ color: oklch(37.6% 0.161 267.0);

Tailwind

colors: {
  custom: {
    50: '#6e6bb5',
    500: '#1c3495',
    950: '#000000',
  },
}

SCSS

$custom: #1c3495;
$custom-light: #6e6bb5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3495",
  "rgb": {
    "r": 28,
    "g": 52,
    "b": 149
  },
  "hsl": {
    "h": 228.099,
    "s": 68.362,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37618,
    "c": 0.1612,
    "h": 267
  },
  "luminance": 0.04873
}

Semantic roles & 50–950 ramp

primary

#1C3495

secondary

#C0A94D

accent

#C93DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1C3495

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

Preview Lab → · Contrast checker → · Palette generator →