#2D57DC#2D57DC
#2D57DC is a mid, highly saturated blue. Relative luminance 0.125; OKLCH L 51.3% C 0.208 H 265.7°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2D57DC |
|---|---|
| RGB | rgb(45, 87, 220) |
| HSL | hsl(226, 71%, 52%) |
| HSV | hsv(226, 80%, 86%) |
| CMYK | cmyk(79.5%, 60.5%, 0%, 13.7%) |
| CIE-LAB | lab(42.06, 33.66, -71.85) |
| CIE-LCH | lch(42.06, 79.34, 295.11°) |
| OKLab | oklab(51.32% -0.0155 -0.2078) |
| OKLCH | oklch(51.32% 0.208 265.7) |
| XYZ | xyz(17.4041, 12.5395, 69.1994) |
| Luminance | 0.1254 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Azul
#1D5DEC
ΔE00 2.78
Warm Blue
#4B57DB
ΔE00 3.13
Electric Blue
#0652FF
ΔE00 4.09
Sapphire
#0F52BA
ΔE00 5.67
Blue (survey)
#0343DF
ΔE00 5.85
Royal Blue
#4169E1
ΔE00 5.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D57DC #DCB22D
analogous
#2DAFDC #2D57DC #5B2DDC
triadic
#2D57DC #DC2D57 #57DC2D
tetradic
#2D57DC #DC2DAF #DCB22D #2DDC5B
square
#2D57DC #DC2DAF #DCB22D #2DDC5B
split-complementary
#2D57DC #DC5B2D #AFDC2D
monochromatic
#142D7A #1D40AF #2D57DC #6181E5 #96ABED
Accessibility & contrast
On white
5.99
#2D57DC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#2D57DC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2D57DC
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D57DC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2D57DC | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006CE0
Deuteranopia (green-blind)
#005BD9
Tritanopia (blue-blind)
#007991
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #2d57dc; /* rgb */ color: rgb(45, 87, 220); /* oklch */ color: oklch(51.3% 0.208 265.7);
Tailwind
colors: {
custom: {
50: '#8286e8',
500: '#2d57dc',
950: '#000000',
},
}SCSS
$custom: #2d57dc; $custom-light: #8286e8; $custom-dark: #000000;
JSON
{
"hex": "#2d57dc",
"rgb": {
"r": 45,
"g": 87,
"b": 220
},
"hsl": {
"h": 225.6,
"s": 71.429,
"l": 51.961
},
"oklch": {
"l": 0.51321,
"c": 0.2084,
"h": 265.7
},
"luminance": 0.12542
}Semantic roles & 50–950 ramp
primary
#2D57DC
secondary
#D9C68C
accent
#C33AEE
background
#F8F8FE
surface
#F0EFFD
border
#CBCAD5
text
#0D0B16
muted
#7D7C84