#2A51A2#2A51A2

#2A51A2 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.3% C 0.139 H 262.8°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#2A51A2
RGB	rgb(42, 81, 162)
HSL	hsl(221, 59%, 40%)
HSV	hsv(221, 74%, 64%)
CMYK	cmyk(74.1%, 50%, 0%, 36.5%)
CIE-LAB	lab(35.95, 15.33, -47.90)
CIE-LCH	lch(35.95, 50.29, 287.75°)
OKLab	oklab(45.31% -0.0174 -0.1376)
OKLCH	oklch(45.31% 0.139 262.8)
XYZ	xyz(10.4165, 8.9846, 35.3606)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A51A2 #A27B2A

analogous

#2A8DA2 #2A51A2 #3F2AA2

triadic

#2A51A2 #A22A51 #51A22A

tetradic

#2A51A2 #A22A8D #A27B2A #2AA23F

square

#2A51A2 #A22A8D #A27B2A #2AA23F

split-complementary

#2A51A2 #A23F2A #8DA22A

monochromatic

#112041 #1D3971 #2A51A2 #3D6BCD #6D90D9

Accessibility & contrast

On white

7.51

#2A51A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#2A51A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A51A2

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A51A2	#FFFFFF	#000000	##FFFFFF
##2A51A2	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225AA5

Deuteranopia (green-blind)

#004FA0

Tritanopia (blue-blind)

#006472

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #2a51a2;
/* rgb */ color: rgb(42, 81, 162);
/* oklch */ color: oklch(45.3% 0.139 262.8);

Tailwind

colors: {
  custom: {
    50: '#7481be',
    500: '#2a51a2',
    950: '#000000',
  },
}

SCSS

$custom: #2a51a2;
$custom-light: #7481be;
$custom-dark: #000000;

JSON

{
  "hex": "#2a51a2",
  "rgb": {
    "r": 42,
    "g": 81,
    "b": 162
  },
  "hsl": {
    "h": 220.5,
    "s": 58.824,
    "l": 40
  },
  "oklch": {
    "l": 0.4531,
    "c": 0.13867,
    "h": 262.8
  },
  "luminance": 0.08986
}

Semantic roles & 50–950 ramp

primary

#2A51A2

secondary

#C0A368

accent

#AF46E2

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2A51A2

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

Preview Lab → · Contrast checker → · Palette generator →