#1A158F#1A158F

#1A158F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.1% C 0.186 H 270.8°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#1A158F
RGB	rgb(26, 21, 143)
HSL	hsl(242, 74%, 32%)
HSV	hsv(242, 85%, 56%)
CMYK	cmyk(81.8%, 85.3%, 0%, 43.9%)
CIE-LAB	lab(18.96, 44.43, -64.13)
CIE-LCH	lch(18.96, 78.02, 304.71°)
OKLab	oklab(32.1% 0.0025 -0.1856)
OKLCH	oklch(32.1% 0.186 270.8)
XYZ	xyz(5.6504, 2.7385, 26.2121)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A158F #8A8F15

analogous

#154D8F #1A158F #57158F

triadic

#1A158F #8F1A15 #158F1A

tetradic

#1A158F #8F154D #8A8F15 #158F57

square

#1A158F #8F154D #8A8F15 #158F57

split-complementary

#1A158F #8F5715 #4D8F15

monochromatic

#070524 #100D5A #1A158F #241DC4 #433CE2

Accessibility & contrast

On white

13.57

#1A158F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1A158F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A158F

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A158F	#FFFFFF	#000000	##FFFFFF
##1A158F	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)

#003492

Deuteranopia (green-blind)

#00288D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a158f;
/* rgb */ color: rgb(26, 21, 143);
/* oklch */ color: oklch(32.1% 0.186 270.8);

Tailwind

colors: {
  custom: {
    50: '#6f57b1',
    500: '#1a158f',
    950: '#000000',
  },
}

SCSS

$custom: #1a158f;
$custom-light: #6f57b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a158f",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 143
  },
  "hsl": {
    "h": 242.459,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32101,
    "c": 0.18561,
    "h": 270.8
  },
  "luminance": 0.02739
}

Semantic roles & 50–950 ramp

primary

#1A158F

secondary

#BDC23E

accent

#F137E9

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1A158F

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

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