#2A258F#2A258F

#2A258F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.2% C 0.167 H 275.6°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#2A258F
RGB	rgb(42, 37, 143)
HSL	hsl(243, 59%, 35%)
HSV	hsv(243, 74%, 56%)
CMYK	cmyk(70.6%, 74.1%, 0%, 43.9%)
CIE-LAB	lab(22.99, 37.16, -57.44)
CIE-LCH	lch(22.99, 68.41, 302.90°)
OKLab	oklab(35.2% 0.0164 -0.166)
OKLCH	oklch(35.2% 0.167 275.6)
XYZ	xyz(6.5727, 3.7979, 26.3680)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A258F #8A8F25

analogous

#25558F #2A258F #5F258F

triadic

#2A258F #8F2A25 #258F2A

tetradic

#2A258F #8F2555 #8A8F25 #258F5F

square

#2A258F #8F2555 #8A8F25 #258F5F

split-complementary

#2A258F #8F5F25 #558F25

monochromatic

#0D0C2E #1C185E #2A258F #3832C0 #605AD4

Accessibility & contrast

On white

11.93

#2A258F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2A258F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A258F

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A258F	#FFFFFF	#000000	##FFFFFF
##2A258F	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B92

Deuteranopia (green-blind)

#00328D

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2a258f;
/* rgb */ color: rgb(42, 37, 143);
/* oklch */ color: oklch(35.2% 0.167 275.6);

Tailwind

colors: {
  custom: {
    50: '#7361b1',
    500: '#2a258f',
    950: '#000000',
  },
}

SCSS

$custom: #2a258f;
$custom-light: #7361b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a258f",
  "rgb": {
    "r": 42,
    "g": 37,
    "b": 143
  },
  "hsl": {
    "h": 242.83,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35201,
    "c": 0.16681,
    "h": 275.6
  },
  "luminance": 0.03799
}

Semantic roles & 50–950 ramp

primary

#2A258F

secondary

#B4B957

accent

#E246DB

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2A258F

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

Preview Lab → · Contrast checker → · Palette generator →