#1A275D#1A275D

#1A275D is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.6% C 0.098 H 269.4°. Best body text is #FFFFFF at 14.07:1 contrast (WCAG AA passes).

Color values

HEX	#1A275D
RGB	rgb(26, 39, 93)
HSL	hsl(228, 56%, 23%)
HSV	hsv(228, 72%, 36%)
CMYK	cmyk(72%, 58.1%, 0%, 63.5%)
CIE-LAB	lab(17.74, 14.78, -34.02)
CIE-LCH	lch(17.74, 37.09, 293.48°)
OKLab	oklab(29.64% -0.0011 -0.0978)
OKLCH	oklch(29.64% 0.098 269.4)
XYZ	xyz(3.1266, 2.4607, 10.6640)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A275D #5D501A

analogous

#1A485D #1A275D #2E1A5D

triadic

#1A275D #5D1A27 #275D1A

tetradic

#1A275D #5D1A48 #5D501A #1A5D2E

square

#1A275D #5D1A48 #5D501A #1A5D2E

split-complementary

#1A275D #5D2E1A #485D1A

monochromatic

#070A18 #0D132D #1A275D #273B8D #354FBD

Accessibility & contrast

On white

14.07

#1A275D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1A275D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A275D

14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A275D	#FFFFFF	#000000	##FFFFFF
##1A275D	1.00	14.07	1.49	14.07
#FFFFFF	14.07	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022F5F

Deuteranopia (green-blind)

#00295C

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1a275d;
/* rgb */ color: rgb(26, 39, 93);
/* oklch */ color: oklch(29.6% 0.098 269.4);

Tailwind

colors: {
  custom: {
    50: '#60608b',
    500: '#1a275d',
    950: '#000000',
  },
}

SCSS

$custom: #1a275d;
$custom-light: #60608b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a275d",
  "rgb": {
    "r": 26,
    "g": 39,
    "b": 93
  },
  "hsl": {
    "h": 228.358,
    "s": 56.303,
    "l": 23.333
  },
  "oklch": {
    "l": 0.29641,
    "c": 0.09781,
    "h": 269.4
  },
  "luminance": 0.02461
}

Semantic roles & 50–950 ramp

primary

#1A275D

secondary

#938340

accent

#C248E0

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #1A275D

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

Preview Lab → · Contrast checker → · Palette generator →