#2A387F#2A387F

#2A387F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.2% C 0.121 H 271.0°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#2A387F
RGB	rgb(42, 56, 127)
HSL	hsl(230, 50%, 33%)
HSV	hsv(230, 67%, 50%)
CMYK	cmyk(66.9%, 55.9%, 0%, 50.2%)
CIE-LAB	lab(26.31, 18.89, -42.02)
CIE-LCH	lch(26.31, 46.07, 294.20°)
OKLab	oklab(37.19% 0.0021 -0.1207)
OKLCH	oklch(37.19% 0.121 271)
XYZ	xyz(6.1985, 4.8523, 20.6845)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A387F #7F712A

analogous

#2A627F #2A387F #462A7F

triadic

#2A387F #7F2A38 #387F2A

tetradic

#2A387F #7F2A62 #7F712A #2A7F46

square

#2A387F #7F2A62 #7F712A #2A7F46

split-complementary

#2A387F #7F462A #627F2A

monochromatic

#0C0F23 #1B2451 #2A387F #394CAD #5B6DC9

Accessibility & contrast

On white

10.66

#2A387F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2A387F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A387F

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A387F	#FFFFFF	#000000	##FFFFFF
##2A387F	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064281

Deuteranopia (green-blind)

#003B7E

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a387f;
/* rgb */ color: rgb(42, 56, 127);
/* oklch */ color: oklch(37.2% 0.121 271.0);

Tailwind

colors: {
  custom: {
    50: '#6e6ea5',
    500: '#2a387f',
    950: '#000000',
  },
}

SCSS

$custom: #2a387f;
$custom-light: #6e6ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a387f",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 127
  },
  "hsl": {
    "h": 230.118,
    "s": 50.296,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37192,
    "c": 0.12072,
    "h": 271
  },
  "luminance": 0.04853
}

Semantic roles & 50–950 ramp

primary

#2A387F

secondary

#AEA057

accent

#C34EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2A387F

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

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