#1C2E7B#1C2E7B

#1C2E7B is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.133 H 268.3°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#1C2E7B
RGB	rgb(28, 46, 123)
HSL	hsl(229, 63%, 30%)
HSV	hsv(229, 77%, 48%)
CMYK	cmyk(77.2%, 62.6%, 0%, 51.8%)
CIE-LAB	lab(22.41, 22.16, -45.87)
CIE-LCH	lch(22.41, 50.94, 295.78°)
OKLab	oklab(33.96% -0.004 -0.1325)
OKLCH	oklch(33.96% 0.133 268.3)
XYZ	xyz(5.0298, 3.6304, 19.1707)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2E7B #7B691C

analogous

#1C5D7B #1C2E7B #3A1C7B

triadic

#1C2E7B #7B1C2E #2E7B1C

tetradic

#1C2E7B #7B1C5D #7B691C #1C7B3A

square

#1C2E7B #7B1C5D #7B691C #1C7B3A

split-complementary

#1C2E7B #7B3A1C #5D7B1C

monochromatic

#060919 #111B49 #1C2E7B #2741AD #3E5AD3

Accessibility & contrast

On white

12.17

#1C2E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1C2E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2E7B

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2E7B	#FFFFFF	#000000	##FFFFFF
##1C2E7B	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7E

Deuteranopia (green-blind)

#00317A

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2e7b;
/* rgb */ color: rgb(28, 46, 123);
/* oklch */ color: oklch(34.0% 0.133 268.3);

Tailwind

colors: {
  custom: {
    50: '#6866a2',
    500: '#1c2e7b',
    950: '#000000',
  },
}

SCSS

$custom: #1c2e7b;
$custom-light: #6866a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2e7b",
  "rgb": {
    "r": 28,
    "g": 46,
    "b": 123
  },
  "hsl": {
    "h": 228.632,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.33963,
    "c": 0.13254,
    "h": 268.3
  },
  "luminance": 0.03631
}

Semantic roles & 50–950 ramp

primary

#1C2E7B

secondary

#AF9B44

accent

#C742E6

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C2E7B

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

Preview Lab → · Contrast checker → · Palette generator →