#1C298F#1C298F

#1C298F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.0% C 0.166 H 269.3°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#1C298F
RGB	rgb(28, 41, 143)
HSL	hsl(233, 67%, 34%)
HSV	hsv(233, 80%, 56%)
CMYK	cmyk(80.4%, 71.3%, 0%, 43.9%)
CIE-LAB	lab(23.05, 33.25, -57.37)
CIE-LCH	lch(23.05, 66.31, 300.10°)
OKLab	oklab(35.02% -0.0021 -0.1661)
OKLCH	oklch(35.02% 0.166 269.3)
XYZ	xyz(6.2280, 3.8152, 26.3894)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C298F #8F821C

analogous

#1C628F #1C298F #481C8F

triadic

#1C298F #8F1C29 #298F1C

tetradic

#1C298F #8F1C62 #8F821C #1C8F48

square

#1C298F #8F1C62 #8F821C #1C8F48

split-complementary

#1C298F #8F481C #628F1C

monochromatic

#080C29 #121A5C #1C298F #2638C2 #4A5ADC

Accessibility & contrast

On white

11.91

#1C298F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1C298F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C298F

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C298F	#FFFFFF	#000000	##FFFFFF
##1C298F	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#00318D

Tritanopia (blue-blind)

#004559

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c298f;
/* rgb */ color: rgb(28, 41, 143);
/* oklch */ color: oklch(35.0% 0.166 269.3);

Tailwind

colors: {
  custom: {
    50: '#6e63b1',
    500: '#1c298f',
    950: '#000000',
  },
}

SCSS

$custom: #1c298f;
$custom-light: #6e63b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c298f",
  "rgb": {
    "r": 28,
    "g": 41,
    "b": 143
  },
  "hsl": {
    "h": 233.217,
    "s": 67.251,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35019,
    "c": 0.16615,
    "h": 269.3
  },
  "luminance": 0.03816
}

Semantic roles & 50–950 ramp

primary

#1C298F

secondary

#BEB049

accent

#D73EEA

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #1C298F

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

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