#2A377F#2A377F

#2A377F is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.0% C 0.122 H 271.4°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#2A377F
RGB	rgb(42, 55, 127)
HSL	hsl(231, 50%, 33%)
HSV	hsv(231, 67%, 50%)
CMYK	cmyk(66.9%, 56.7%, 0%, 50.2%)
CIE-LAB	lab(26.03, 19.58, -42.48)
CIE-LCH	lch(26.03, 46.77, 294.74°)
OKLab	oklab(36.98% 0.0031 -0.122)
OKLCH	oklch(36.98% 0.122 271.4)
XYZ	xyz(6.1505, 4.7564, 20.6685)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A377F #7F722A

analogous

#2A617F #2A377F #482A7F

triadic

#2A377F #7F2A37 #377F2A

tetradic

#2A377F #7F2A61 #7F722A #2A7F48

square

#2A377F #7F2A61 #7F722A #2A7F48

split-complementary

#2A377F #7F482A #617F2A

monochromatic

#0C0F23 #1B2351 #2A377F #394BAD #5B6CC9

Accessibility & contrast

On white

10.76

#2A377F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2A377F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A377F

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A377F	#FFFFFF	#000000	##FFFFFF
##2A377F	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014281

Deuteranopia (green-blind)

#003A7E

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a377f;
/* rgb */ color: rgb(42, 55, 127);
/* oklch */ color: oklch(37.0% 0.122 271.4);

Tailwind

colors: {
  custom: {
    50: '#6e6da5',
    500: '#2a377f',
    950: '#000000',
  },
}

SCSS

$custom: #2a377f;
$custom-light: #6e6da5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a377f",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 127
  },
  "hsl": {
    "h": 230.824,
    "s": 50.296,
    "l": 33.137
  },
  "oklch": {
    "l": 0.36982,
    "c": 0.12209,
    "h": 271.4
  },
  "luminance": 0.04757
}

Semantic roles & 50–950 ramp

primary

#2A377F

secondary

#AEA157

accent

#C44EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2A377F

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

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