#1C2F8F#1C2F8F

#1C2F8F is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.1% C 0.159 H 268.1°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F8F
RGB	rgb(28, 47, 143)
HSL	hsl(230, 67%, 34%)
HSV	hsv(230, 80%, 56%)
CMYK	cmyk(80.4%, 67.1%, 0%, 43.9%)
CIE-LAB	lab(24.52, 29.30, -54.95)
CIE-LCH	lch(24.52, 62.28, 298.07°)
OKLab	oklab(36.09% -0.0052 -0.1591)
OKLCH	oklch(36.09% 0.159 268.1)
XYZ	xyz(6.4516, 4.2623, 26.4640)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F8F #8F7C1C

analogous

#1C688F #1C2F8F #421C8F

triadic

#1C2F8F #8F1C2F #2F8F1C

tetradic

#1C2F8F #8F1C68 #8F7C1C #1C8F42

square

#1C2F8F #8F1C68 #8F7C1C #1C8F42

split-complementary

#1C2F8F #8F421C #688F1C

monochromatic

#080D29 #121E5C #1C2F8F #2640C2 #4A62DC

Accessibility & contrast

On white

11.34

#1C2F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1C2F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F8F

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F8F	#FFFFFF	#000000	##FFFFFF
##1C2F8F	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004092

Deuteranopia (green-blind)

#00358D

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c2f8f;
/* rgb */ color: rgb(28, 47, 143);
/* oklch */ color: oklch(36.1% 0.159 268.1);

Tailwind

colors: {
  custom: {
    50: '#6d67b1',
    500: '#1c2f8f',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f8f;
$custom-light: #6d67b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f8f",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 143
  },
  "hsl": {
    "h": 230.087,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36088,
    "c": 0.15916,
    "h": 268.1
  },
  "luminance": 0.04263
}

Semantic roles & 50–950 ramp

primary

#1C2F8F

secondary

#BEAA49

accent

#CE3EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1C2F8F

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

Preview Lab → · Contrast checker → · Palette generator →