#1A276C#1A276C

#1A276C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.0% C 0.121 H 269.7°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#1A276C
RGB	rgb(26, 39, 108)
HSL	hsl(230, 61%, 26%)
HSV	hsv(230, 76%, 42%)
CMYK	cmyk(75.9%, 63.9%, 0%, 57.6%)
CIE-LAB	lab(19.03, 20.85, -41.77)
CIE-LCH	lch(19.03, 46.69, 296.53°)
OKLab	oklab(31.01% -0.0006 -0.1206)
OKLCH	oklch(31.01% 0.121 269.7)
XYZ	xyz(3.8574, 2.7530, 14.5125)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A276C #6C5F1A

analogous

#1A506C #1A276C #361A6C

triadic

#1A276C #6C1A27 #276C1A

tetradic

#1A276C #6C1A50 #6C5F1A #1A6C36

square

#1A276C #6C1A50 #6C5F1A #1A6C36

split-complementary

#1A276C #6C361A #506C1A

monochromatic

#060919 #0E153B #1A276C #26399D #334BCE

Accessibility & contrast

On white

13.54

#1A276C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1A276C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A276C

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A276C	#FFFFFF	#000000	##FFFFFF
##1A276C	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326E

Deuteranopia (green-blind)

#002A6B

Tritanopia (blue-blind)

#003845

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a276c;
/* rgb */ color: rgb(26, 39, 108);
/* oklch */ color: oklch(31.0% 0.121 269.7);

Tailwind

colors: {
  custom: {
    50: '#646097',
    500: '#1a276c',
    950: '#000000',
  },
}

SCSS

$custom: #1a276c;
$custom-light: #646097;
$custom-dark: #000000;

JSON

{
  "hex": "#1a276c",
  "rgb": {
    "r": 26,
    "g": 39,
    "b": 108
  },
  "hsl": {
    "h": 230.488,
    "s": 61.194,
    "l": 26.275
  },
  "oklch": {
    "l": 0.31006,
    "c": 0.12059,
    "h": 269.7
  },
  "luminance": 0.02753
}

Semantic roles & 50–950 ramp

primary

#1A276C

secondary

#A19241

accent

#CB43E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1A276C

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

Preview Lab → · Contrast checker → · Palette generator →