#1C276D#1C276D

#1C276D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.2% C 0.121 H 270.7°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#1C276D
RGB	rgb(28, 39, 109)
HSL	hsl(232, 59%, 27%)
HSV	hsv(232, 74%, 43%)
CMYK	cmyk(74.3%, 64.2%, 0%, 57.3%)
CIE-LAB	lab(19.23, 21.53, -42.08)
CIE-LCH	lch(19.23, 47.27, 297.10°)
OKLab	oklab(31.22% 0.0016 -0.1214)
OKLCH	oklch(31.22% 0.121 270.7)
XYZ	xyz(3.9638, 2.8016, 14.7969)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C276D #6D621C

analogous

#1C506D #1C276D #3A1C6D

triadic

#1C276D #6D1C27 #276D1C

tetradic

#1C276D #6D1C50 #6D621C #1C6D3A

square

#1C276D #6D1C50 #6D621C #1C6D3A

split-complementary

#1C276D #6D3A1C #506D1C

monochromatic

#060918 #0F163C #1C276D #29389E #384CCC

Accessibility & contrast

On white

13.46

#1C276D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1C276D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C276D

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C276D	#FFFFFF	#000000	##FFFFFF
##1C276D	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326F

Deuteranopia (green-blind)

#002B6C

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c276d;
/* rgb */ color: rgb(28, 39, 109);
/* oklch */ color: oklch(31.2% 0.121 270.7);

Tailwind

colors: {
  custom: {
    50: '#656198',
    500: '#1c276d',
    950: '#000000',
  },
}

SCSS

$custom: #1c276d;
$custom-light: #656198;
$custom-dark: #000000;

JSON

{
  "hex": "#1c276d",
  "rgb": {
    "r": 28,
    "g": 39,
    "b": 109
  },
  "hsl": {
    "h": 231.852,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.31217,
    "c": 0.12146,
    "h": 270.7
  },
  "luminance": 0.02802
}

Semantic roles & 50–950 ramp

primary

#1C276D

secondary

#A29543

accent

#CD45E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1C276D

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

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