#1C3A67#1C3A67

#1C3A67 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.1% C 0.087 H 258.4°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#1C3A67
RGB	rgb(28, 58, 103)
HSL	hsl(216, 57%, 26%)
HSV	hsv(216, 73%, 40%)
CMYK	cmyk(72.8%, 43.7%, 0%, 59.6%)
CIE-LAB	lab(24.49, 5.55, -29.72)
CIE-LCH	lch(24.49, 30.23, 280.58°)
OKLab	oklab(35.06% -0.0174 -0.0848)
OKLCH	oklch(35.06% 0.087 258.4)
XYZ	xyz(4.4392, 4.2518, 13.4161)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3A67 #67491C

analogous

#1C5F67 #1C3A67 #231C67

triadic

#1C3A67 #671C3A #3A671C

tetradic

#1C3A67 #671C5F #67491C #1C6723

square

#1C3A67 #671C5F #67491C #1C6723

split-complementary

#1C3A67 #67231C #5F671C

monochromatic

#070E18 #0F1F37 #1C3A67 #295597 #3670C7

Accessibility & contrast

On white

11.35

#1C3A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1C3A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3A67

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3A67	#FFFFFF	#000000	##FFFFFF
##1C3A67	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253E69

Deuteranopia (green-blind)

#193766

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c3a67;
/* rgb */ color: rgb(28, 58, 103);
/* oklch */ color: oklch(35.1% 0.087 258.4);

Tailwind

colors: {
  custom: {
    50: '#626f93',
    500: '#1c3a67',
    950: '#000000',
  },
}

SCSS

$custom: #1c3a67;
$custom-light: #626f93;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3a67",
  "rgb": {
    "r": 28,
    "g": 58,
    "b": 103
  },
  "hsl": {
    "h": 216,
    "s": 57.252,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35061,
    "c": 0.08655,
    "h": 258.4
  },
  "luminance": 0.04252
}

Semantic roles & 50–950 ramp

primary

#1C3A67

secondary

#9C7843

accent

#A347E1

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #1C3A67

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

Preview Lab → · Contrast checker → · Palette generator →