#1C2BB3#1C2BB3

#1C2BB3 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.3% C 0.209 H 268.0°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#1C2BB3
RGB	rgb(28, 43, 179)
HSL	hsl(234, 73%, 41%)
HSV	hsv(234, 84%, 70%)
CMYK	cmyk(84.4%, 76%, 0%, 29.8%)
CIE-LAB	lab(27.38, 44.89, -72.12)
CIE-LCH	lch(27.38, 84.95, 301.90°)
OKLab	oklab(39.27% -0.0074 -0.209)
OKLCH	oklch(39.27% 0.209 268)
XYZ	xyz(9.4766, 5.2281, 43.1487)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2BB3 #B3A41C

analogous

#1C76B3 #1C2BB3 #591CB3

triadic

#1C2BB3 #B31C2B #2BB31C

tetradic

#1C2BB3 #B31C76 #B3A41C #1CB359

square

#1C2BB3 #B31C76 #B3A41C #1CB359

split-complementary

#1C2BB3 #B3591C #76B31C

monochromatic

#0B1249 #141E7E #1C2BB3 #2E3FDE #6370E7

Accessibility & contrast

On white

10.26

#1C2BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1C2BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2BB3

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2BB3	#FFFFFF	#000000	##FFFFFF
##1C2BB3	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#0039B1

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1c2bb3;
/* rgb */ color: rgb(28, 43, 179);
/* oklch */ color: oklch(39.3% 0.209 268.0);

Tailwind

colors: {
  custom: {
    50: '#7766cb',
    500: '#1c2bb3',
    950: '#000000',
  },
}

SCSS

$custom: #1c2bb3;
$custom-light: #7766cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2bb3",
  "rgb": {
    "r": 28,
    "g": 43,
    "b": 179
  },
  "hsl": {
    "h": 234.04,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.39267,
    "c": 0.20916,
    "h": 268
  },
  "luminance": 0.05229
}

Semantic roles & 50–950 ramp

primary

#1C2BB3

secondary

#CBC15F

accent

#DD38F0

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #1C2BB3

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

Preview Lab → · Contrast checker → · Palette generator →