#1C2F7F#1C2F7F

#1C2F7F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.5% C 0.137 H 268.0°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#1C2F7F
RGB	rgb(28, 47, 127)
HSL	hsl(228, 64%, 30%)
HSV	hsv(228, 78%, 50%)
CMYK	cmyk(78%, 63%, 0%, 50.2%)
CIE-LAB	lab(23.04, 23.05, -47.38)
CIE-LCH	lch(23.04, 52.69, 295.94°)
OKLab	oklab(34.54% -0.0048 -0.1369)
OKLCH	oklch(34.54% 0.137 268)
XYZ	xyz(5.3248, 3.8116, 20.5296)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2F7F #7F6C1C

analogous

#1C607F #1C2F7F #3A1C7F

triadic

#1C2F7F #7F1C2F #2F7F1C

tetradic

#1C2F7F #7F1C60 #7F6C1C #1C7F3A

square

#1C2F7F #7F1C60 #7F6C1C #1C7F3A

split-complementary

#1C2F7F #7F3A1C #607F1C

monochromatic

#060A1B #111C4D #1C2F7F #2742B1 #405DD5

Accessibility & contrast

On white

11.92

#1C2F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1C2F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2F7F

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2F7F	#FFFFFF	#000000	##FFFFFF
##1C2F7F	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C82

Deuteranopia (green-blind)

#00327D

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c2f7f;
/* rgb */ color: rgb(28, 47, 127);
/* oklch */ color: oklch(34.5% 0.137 268.0);

Tailwind

colors: {
  custom: {
    50: '#6967a5',
    500: '#1c2f7f',
    950: '#000000',
  },
}

SCSS

$custom: #1c2f7f;
$custom-light: #6967a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2f7f",
  "rgb": {
    "r": 28,
    "g": 47,
    "b": 127
  },
  "hsl": {
    "h": 228.485,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.3454,
    "c": 0.13696,
    "h": 268
  },
  "luminance": 0.03812
}

Semantic roles & 50–950 ramp

primary

#1C2F7F

secondary

#B39D44

accent

#C741E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C2F7F

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

Preview Lab → · Contrast checker → · Palette generator →