#2A3E90#2A3E90

#2A3E90 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.8% C 0.138 H 268.9°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#2A3E90
RGB	rgb(42, 62, 144)
HSL	hsl(228, 55%, 36%)
HSV	hsv(228, 71%, 56%)
CMYK	cmyk(70.8%, 56.9%, 0%, 43.5%)
CIE-LAB	lab(29.29, 21.24, -47.76)
CIE-LCH	lch(29.29, 52.27, 293.97°)
OKLab	oklab(39.84% -0.0025 -0.1375)
OKLCH	oklch(39.84% 0.138 268.9)
XYZ	xyz(7.7098, 5.9503, 27.1224)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3E90 #907C2A

analogous

#2A7190 #2A3E90 #492A90

triadic

#2A3E90 #902A3E #3E902A

tetradic

#2A3E90 #902A71 #907C2A #2A9049

square

#2A3E90 #902A71 #907C2A #2A9049

split-complementary

#2A3E90 #90492A #71902A

monochromatic

#0E1531 #1C2A61 #2A3E90 #3852BF #6379D1

Accessibility & contrast

On white

9.59

#2A3E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2A3E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3E90

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3E90	#FFFFFF	#000000	##FFFFFF
##2A3E90	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A93

Deuteranopia (green-blind)

#00418E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a3e90;
/* rgb */ color: rgb(42, 62, 144);
/* oklch */ color: oklch(39.8% 0.138 268.9);

Tailwind

colors: {
  custom: {
    50: '#7172b1',
    500: '#2a3e90',
    950: '#000000',
  },
}

SCSS

$custom: #2a3e90;
$custom-light: #7172b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3e90",
  "rgb": {
    "r": 42,
    "g": 62,
    "b": 144
  },
  "hsl": {
    "h": 228.235,
    "s": 54.839,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39841,
    "c": 0.13751,
    "h": 268.9
  },
  "luminance": 0.05951
}

Semantic roles & 50–950 ramp

primary

#2A3E90

secondary

#B7A65E

accent

#C14ADE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2A3E90

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

Preview Lab → · Contrast checker → · Palette generator →