#1C255F#1C255F

#1C255F is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.5% C 0.103 H 271.9°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#1C255F
RGB	rgb(28, 37, 95)
HSL	hsl(232, 54%, 24%)
HSV	hsv(232, 71%, 37%)
CMYK	cmyk(70.5%, 61.1%, 0%, 62.7%)
CIE-LAB	lab(17.44, 17.40, -35.82)
CIE-LCH	lch(17.44, 39.82, 295.90°)
OKLab	oklab(29.5% 0.0033 -0.1031)
OKLCH	oklch(29.5% 0.103 271.9)
XYZ	xyz(3.2053, 2.3959, 11.1178)
Luminance	0.0240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C255F #5F561C

analogous

#1C475F #1C255F #351C5F

triadic

#1C255F #5F1C25 #255F1C

tetradic

#1C255F #5F1C47 #5F561C #1C5F35

square

#1C255F #5F1C47 #5F561C #1C5F35

split-complementary

#1C255F #5F351C #475F1C

monochromatic

#070918 #0E1330 #1C255F #2A378E #384ABE

Accessibility & contrast

On white

14.20

#1C255F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1C255F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C255F

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C255F	#FFFFFF	#000000	##FFFFFF
##1C255F	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E61

Deuteranopia (green-blind)

#00285E

Tritanopia (blue-blind)

#00333E

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1c255f;
/* rgb */ color: rgb(28, 37, 95);
/* oklch */ color: oklch(29.5% 0.103 271.9);

Tailwind

colors: {
  custom: {
    50: '#615f8d',
    500: '#1c255f',
    950: '#000000',
  },
}

SCSS

$custom: #1c255f;
$custom-light: #615f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c255f",
  "rgb": {
    "r": 28,
    "g": 37,
    "b": 95
  },
  "hsl": {
    "h": 231.94,
    "s": 54.472,
    "l": 24.118
  },
  "oklch": {
    "l": 0.29504,
    "c": 0.10313,
    "h": 271.9
  },
  "luminance": 0.02396
}

Semantic roles & 50–950 ramp

primary

#1C255F

secondary

#948942

accent

#CA4ADE

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #1C255F

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

Preview Lab → · Contrast checker → · Palette generator →