#1C276E#1C276E

#1C276E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.3% C 0.123 H 270.7°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#1C276E
RGB	rgb(28, 39, 110)
HSL	hsl(232, 59%, 27%)
HSV	hsv(232, 75%, 43%)
CMYK	cmyk(74.5%, 64.5%, 0%, 56.9%)
CIE-LAB	lab(19.32, 21.93, -42.58)
CIE-LCH	lch(19.32, 47.90, 297.25°)
OKLab	oklab(31.31% 0.0015 -0.1229)
OKLCH	oklch(31.31% 0.123 270.7)
XYZ	xyz(4.0179, 2.8233, 15.0820)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C276E #6E631C

analogous

#1C506E #1C276E #3A1C6E

triadic

#1C276E #6E1C27 #276E1C

tetradic

#1C276E #6E1C50 #6E631C #1C6E3A

square

#1C276E #6E1C50 #6E631C #1C6E3A

split-complementary

#1C276E #6E3A1C #506E1C

monochromatic

#060918 #10163D #1C276E #28389F #384CCC

Accessibility & contrast

On white

13.42

#1C276E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1C276E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C276E

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C276E	#FFFFFF	#000000	##FFFFFF
##1C276E	1.00	13.42	1.56	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003370

Deuteranopia (green-blind)

#002B6D

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c276e;
/* rgb */ color: rgb(28, 39, 110);
/* oklch */ color: oklch(31.3% 0.123 270.7);

Tailwind

colors: {
  custom: {
    50: '#656198',
    500: '#1c276e',
    950: '#000000',
  },
}

SCSS

$custom: #1c276e;
$custom-light: #656198;
$custom-dark: #000000;

JSON

{
  "hex": "#1c276e",
  "rgb": {
    "r": 28,
    "g": 39,
    "b": 110
  },
  "hsl": {
    "h": 231.951,
    "s": 59.42,
    "l": 27.059
  },
  "oklch": {
    "l": 0.31312,
    "c": 0.12292,
    "h": 270.7
  },
  "luminance": 0.02824
}

Semantic roles & 50–950 ramp

primary

#1C276E

secondary

#A39643

accent

#CD45E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1C276E

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

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