#2750CB
Closest named color: Blue Blue (#2242C7). oklch(48.3% 0.196 265.3), rgb(39, 80, 203).
Aa
White text reads best on this color (6.78:1).
About this color
#2750CB is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.196 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.033 away. White text reads best on it, at 6.78:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.09:1 |
| White text | 6.78:1 |
Values
| HEX | #2750CB |
| RGB | rgb(39, 80, 203) |
| HSL | hsl(225, 68%, 47%) |
| OKLCH | oklch(48.3% 0.196 265.3) |
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 #2750CB | 6.78:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #2750CB | 3.09:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #2750CB text on white | 6.78:1 | AA | Lc 82.7 | Fine for body text |
| #2750CB text on black | 3.09:1 | AA large text | Lc -19.2 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C8D9FD
oklch(88.4% 0.053 265.3)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#729CFF
oklch(70.6% 0.153 265.4)
-
Step 500
500
#4F80FD
oklch(63.1% 0.194 265.2)
-
Step 600
600
#3665EC
oklch(55.6% 0.21 265.4)
-
Step 700
700 (this color)
#2750CB
oklch(48.3% 0.196 265.3)
-
Step 800
800
#2245A6
oklch(42.8% 0.162 265)
-
Step 900
900
#203B84
oklch(37.7% 0.127 265.4)
-
Step 950
950
#13234D
oklch(26.9% 0.08 265.6)
#2750CB 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) | #0063CF | 0.046 |
| Deuteranopia (no green cones) | #0054C9 | 0.019 |
| Tritanopia (no blue cones) | #007086 | 0.152 |
| Achromatopsia (no color) | #5B5B5B | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2750CB
#2750CB
oklch(48.3% 0.196 265.3)
- #785900
#785900
oklch(48.3% 0.099 85)
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 #2750CB, closest first.
No curated palette has a color within ΔE 0.04 of #2750CB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.033
- Warm Blue #4B57DB ΔE 0.052
- Majorelle Blue #3F37C9 ΔE 0.053
- Azul #1D5DEC ΔE 0.059
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Blurple #5539CC ΔE 0.067
- Neon Blue #4361EE ΔE 0.076
- Royal Blue #4169E1 ΔE 0.077
Use #2750CB 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.