#3075D2
Closest named color: Windows Blue (#3778BF). oklch(56.8% 0.159 257), rgb(48, 117, 210).
Aa
Black text reads best on this color (4.60:1).
About this color
#3075D2 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.159 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.032 away. Black text reads best on it, at 4.60:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 4.60:1 |
| White text | 4.56:1 |
Values
| HEX | #3075D2 |
| RGB | rgb(48, 117, 210) |
| HSL | hsl(214, 64%, 51%) |
| OKLCH | oklch(56.8% 0.159 257) |
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 #3075D2 | 4.56:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #3075D2 | 4.60:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #3075D2 text on white | 4.56:1 | AA | Lc 71.3 | Content text, not long reading |
| #3075D2 text on black | 4.60:1 | AA | Lc -30.4 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF4
oklch(88.6% 0.04 256.6)
-
Step 300
300
#A3C3EF
oklch(80.9% 0.072 256.4)
-
Step 400
400
#71A2E7
oklch(70.6% 0.115 257)
-
Step 500
500
#4B89E0
oklch(63% 0.147 257.2)
-
Step 600
600 (this color)
#3075D2
oklch(56.8% 0.159 257)
-
Step 700
700
#1F5EB2
oklch(49% 0.148 257.2)
-
Step 800
800
#1C4E90
oklch(42.8% 0.121 256.8)
-
Step 900
900
#1D4173
oklch(37.7% 0.095 257.2)
-
Step 950
950
#122643
oklch(26.9% 0.06 257.7)
#3075D2 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) | #457ED6 | 0.032 |
| Deuteranopia (no green cones) | #236FD0 | 0.020 |
| Tritanopia (no blue cones) | #008B99 | 0.122 |
| Achromatopsia (no color) | #767676 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3075D2
#3075D2
oklch(56.8% 0.159 257)
- #9D6C00
#9D6C00
oklch(56.8% 0.119 77.4)
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 #3075D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.032
- Royal Blue #4169E1 ΔE 0.041
- Cerulean Blue #056EEE ΔE 0.051
- Water Blue #0E87CC ΔE 0.052
- Mid Blue #276AB3 ΔE 0.055
- French Blue #436BAD ΔE 0.059
- Nice Blue #107AB0 ΔE 0.060
- Clear Blue #247AFD ΔE 0.065
Use #3075D2 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.