#1C2B68#1C2B68

#1C2B68 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.6% C 0.108 H 268.9°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#1C2B68
RGB	rgb(28, 43, 104)
HSL	hsl(228, 58%, 26%)
HSV	hsv(228, 73%, 41%)
CMYK	cmyk(73.1%, 58.7%, 0%, 59.2%)
CIE-LAB	lab(19.94, 16.67, -37.68)
CIE-LCH	lch(19.94, 41.20, 293.86°)
OKLab	oklab(31.61% -0.002 -0.1085)
OKLCH	oklch(31.61% 0.108 268.9)
XYZ	xyz(3.8406, 2.9737, 13.4656)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2B68 #68591C

analogous

#1C5168 #1C2B68 #331C68

triadic

#1C2B68 #681C2B #2B681C

tetradic

#1C2B68 #681C51 #68591C #1C6833

square

#1C2B68 #681C51 #68591C #1C6833

split-complementary

#1C2B68 #68331C #51681C

monochromatic

#060A18 #0F1738 #1C2B68 #293F98 #3653C8

Accessibility & contrast

On white

13.17

#1C2B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1C2B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2B68

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2B68	#FFFFFF	#000000	##FFFFFF
##1C2B68	1.00	13.17	1.59	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346A

Deuteranopia (green-blind)

#002D67

Tritanopia (blue-blind)

#003A45

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1c2b68;
/* rgb */ color: rgb(28, 43, 104);
/* oklch */ color: oklch(31.6% 0.108 268.9);

Tailwind

colors: {
  custom: {
    50: '#636494',
    500: '#1c2b68',
    950: '#000000',
  },
}

SCSS

$custom: #1c2b68;
$custom-light: #636494;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2b68",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 104
  },
  "hsl": {
    "h": 228.158,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.31609,
    "c": 0.10848,
    "h": 268.9
  },
  "luminance": 0.02974
}

Semantic roles & 50–950 ramp

primary

#1C2B68

secondary

#9D8B43

accent

#C247E1

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1C2B68

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

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