#1C266D#1C266D

#1C266D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.0% C 0.123 H 271.1°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#1C266D
RGB	rgb(28, 38, 109)
HSL	hsl(233, 59%, 27%)
HSV	hsv(233, 74%, 43%)
CMYK	cmyk(74.3%, 65.1%, 0%, 57.3%)
CIE-LAB	lab(18.96, 22.24, -42.53)
CIE-LCH	lch(18.96, 47.99, 297.61°)
OKLab	oklab(31.01% 0.0024 -0.1228)
OKLCH	oklch(31.01% 0.123 271.1)
XYZ	xyz(3.9314, 2.7368, 14.7861)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C266D #6D631C

analogous

#1C4F6D #1C266D #3B1C6D

triadic

#1C266D #6D1C26 #266D1C

tetradic

#1C266D #6D1C4F #6D631C #1C6D3B

square

#1C266D #6D1C4F #6D631C #1C6D3B

split-complementary

#1C266D #6D3B1C #4F6D1C

monochromatic

#060818 #0F153C #1C266D #29379E #384ACC

Accessibility & contrast

On white

13.57

#1C266D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1C266D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C266D

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C266D	#FFFFFF	#000000	##FFFFFF
##1C266D	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326F

Deuteranopia (green-blind)

#002A6C

Tritanopia (blue-blind)

#003845

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c266d;
/* rgb */ color: rgb(28, 38, 109);
/* oklch */ color: oklch(31.0% 0.123 271.1);

Tailwind

colors: {
  custom: {
    50: '#656098',
    500: '#1c266d',
    950: '#000000',
  },
}

SCSS

$custom: #1c266d;
$custom-light: #656098;
$custom-dark: #000000;

JSON

{
  "hex": "#1c266d",
  "rgb": {
    "r": 28,
    "g": 38,
    "b": 109
  },
  "hsl": {
    "h": 232.593,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.31015,
    "c": 0.12279,
    "h": 271.1
  },
  "luminance": 0.02737
}

Semantic roles & 50–950 ramp

primary

#1C266D

secondary

#A29643

accent

#CF45E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1C266D

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

Preview Lab → · Contrast checker → · Palette generator →