#0564D0
Closest named color: Azul (#1D5DEC). oklch(52.1% 0.184 257.3), rgb(5, 100, 208).
Aa
White text reads best on this color (5.61:1).
About this color
#0564D0 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.184 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.047 away. White text reads best on it, at 5.61:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.74:1 |
| White text | 5.61:1 |
Values
| HEX | #0564D0 |
| RGB | rgb(5, 100, 208) |
| HSL | hsl(212, 95%, 42%) |
| OKLCH | oklch(52.1% 0.184 257.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #0564D0 | 5.61:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #0564D0 | 3.74:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #0564D0 text on white | 5.61:1 | AA | Lc 77.3 | Fine for body text |
| #0564D0 text on black | 3.74:1 | AA large text | Lc -24.5 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C5DBFA
oklch(88.5% 0.049 256.9)
-
Step 300
300
#9CC3FA
oklch(80.9% 0.089 257)
-
Step 400
400
#64A1F8
oklch(70.6% 0.143 257.4)
-
Step 500
500
#3687F5
oklch(63.1% 0.182 257.3)
-
Step 600
600
#036DE4
oklch(55.5% 0.199 257.4)
-
Step 700
700 (this color)
#0564D0
oklch(52.1% 0.184 257.3)
-
Step 800
800
#014BA0
oklch(42.8% 0.152 257.2)
-
Step 900
900
#0F3F7F
oklch(37.6% 0.119 257.5)
-
Step 950
950
#0B264A
oklch(27.1% 0.074 256.8)
#0564D0 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #1070D4 | 0.033 |
| Deuteranopia (no green cones) | #0060CE | 0.011 |
| Tritanopia (no blue cones) | #007F90 | 0.139 |
| Achromatopsia (no color) | #676767 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0564D0
#0564D0
oklch(52.1% 0.184 257.3)
- #8C6000
#8C6000
oklch(52.3% 0.109 77.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0564D0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.047
- Royal Blue #4169E1 ΔE 0.049
- Cerulean Blue #056EEE ΔE 0.052
- Mid Blue #276AB3 ΔE 0.052
- Warm Blue #4B57DB ΔE 0.056
- Neon Blue #4361EE ΔE 0.061
- Bright Blue #0165FC ΔE 0.067
- French Blue #436BAD ΔE 0.071
Use #0564D0 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.