#1C276B#1C276B

#1C276B is a dark, moderate blue. Relative luminance 0.028; OKLCH L 31.0% C 0.118 H 270.8°. Best body text is #FFFFFF at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#1C276B
RGB	rgb(28, 39, 107)
HSL	hsl(232, 59%, 26%)
HSV	hsv(232, 74%, 42%)
CMYK	cmyk(73.8%, 63.6%, 0%, 58%)
CIE-LAB	lab(19.05, 20.74, -41.08)
CIE-LCH	lch(19.05, 46.01, 296.79°)
OKLab	oklab(31.03% 0.0016 -0.1185)
OKLCH	oklch(31.03% 0.119 270.8)
XYZ	xyz(3.8573, 2.7591, 14.2363)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C276B #6B601C

analogous

#1C4F6B #1C276B #391C6B

triadic

#1C276B #6B1C27 #276B1C

tetradic

#1C276B #6B1C4F #6B601C #1C6B39

square

#1C276B #6B1C4F #6B601C #1C6B39

split-complementary

#1C276B #6B391C #4F6B1C

monochromatic

#060918 #0F153A #1C276B #29399C #374BCB

Accessibility & contrast

On white

13.53

#1C276B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1C276B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C276B

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C276B	#FFFFFF	#000000	##FFFFFF
##1C276B	1.00	13.53	1.55	13.53
#FFFFFF	13.53	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326D

Deuteranopia (green-blind)

#002B6A

Tritanopia (blue-blind)

#003845

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c276b;
/* rgb */ color: rgb(28, 39, 107);
/* oklch */ color: oklch(31.0% 0.118 270.8);

Tailwind

colors: {
  custom: {
    50: '#646196',
    500: '#1c276b',
    950: '#000000',
  },
}

SCSS

$custom: #1c276b;
$custom-light: #646196;
$custom-dark: #000000;

JSON

{
  "hex": "#1c276b",
  "rgb": {
    "r": 28,
    "g": 39,
    "b": 107
  },
  "hsl": {
    "h": 231.646,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.31028,
    "c": 0.1185,
    "h": 270.8
  },
  "luminance": 0.02759
}

Semantic roles & 50–950 ramp

primary

#1C276B

secondary

#A09343

accent

#CC46E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1C276B

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

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