#1C235F#1C235F

#1C235F is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.1% C 0.106 H 272.9°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#1C235F
RGB	rgb(28, 35, 95)
HSL	hsl(234, 54%, 24%)
HSV	hsv(234, 71%, 37%)
CMYK	cmyk(70.5%, 63.2%, 0%, 62.7%)
CIE-LAB	lab(16.87, 18.84, -36.75)
CIE-LCH	lch(16.87, 41.30, 297.14°)
OKLab	oklab(29.08% 0.0053 -0.1058)
OKLCH	oklch(29.08% 0.106 272.9)
XYZ	xyz(3.1448, 2.2749, 11.0976)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C235F #5F581C

analogous

#1C455F #1C235F #371C5F

triadic

#1C235F #5F1C23 #235F1C

tetradic

#1C235F #5F1C45 #5F581C #1C5F37

square

#1C235F #5F1C45 #5F581C #1C5F37

split-complementary

#1C235F #5F371C #455F1C

monochromatic

#070918 #0E1230 #1C235F #2A348E #3846BE

Accessibility & contrast

On white

14.43

#1C235F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1C235F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C235F

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C235F	#FFFFFF	#000000	##FFFFFF
##1C235F	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D61

Deuteranopia (green-blind)

#00275E

Tritanopia (blue-blind)

#00323D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1c235f;
/* rgb */ color: rgb(28, 35, 95);
/* oklch */ color: oklch(29.1% 0.106 272.9);

Tailwind

colors: {
  custom: {
    50: '#625d8d',
    500: '#1c235f',
    950: '#000000',
  },
}

SCSS

$custom: #1c235f;
$custom-light: #625d8d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c235f",
  "rgb": {
    "r": 28,
    "g": 35,
    "b": 95
  },
  "hsl": {
    "h": 233.731,
    "s": 54.472,
    "l": 24.118
  },
  "oklch": {
    "l": 0.29077,
    "c": 0.10597,
    "h": 272.9
  },
  "luminance": 0.02275
}

Semantic roles & 50–950 ramp

primary

#1C235F

secondary

#948C42

accent

#CE4ADE

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #1C235F

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

Preview Lab → · Contrast checker → · Palette generator →