#2753BB
Closest named color: Blue Blue (#2242C7). oklch(47.6% 0.171 263.8), rgb(39, 83, 187).
Aa
White text reads best on this color (6.90:1).
About this color
#2753BB is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.171 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.045 away. White text reads best on it, at 6.90:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #2753BB |
| RGB | rgb(39, 83, 187) |
| HSL | hsl(222, 65%, 44%) |
| OKLCH | oklch(47.6% 0.171 263.8) |
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 #2753BB | 6.90:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #2753BB | 3.04:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #2753BB text on white | 6.90:1 | AA | Lc 83.3 | Fine for body text |
| #2753BB text on black | 3.04:1 | AA large text | Lc -18.6 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CADAF9
oklch(88.6% 0.046 263.7)
-
Step 300
300
#A5C1F7
oklch(80.9% 0.083 263.3)
-
Step 400
400
#759EF3
oklch(70.6% 0.133 263.8)
-
Step 500
500
#5384EF
oklch(63.2% 0.169 263.7)
-
Step 600
600
#386ADD
oklch(55.5% 0.184 263.7)
-
Step 700
700 (this color)
#2753BB
oklch(47.6% 0.171 263.8)
-
Step 800
800
#24489B
oklch(42.6% 0.142 263.8)
-
Step 900
900
#223E7C
oklch(37.8% 0.111 263.7)
-
Step 950
950
#142548
oklch(27.1% 0.069 263.1)
#2753BB 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) | #0061BF | 0.036 |
| Deuteranopia (no green cones) | #0053B9 | 0.019 |
| Tritanopia (no blue cones) | #006D7F | 0.134 |
| Achromatopsia (no color) | #5A5A5A | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2753BB
#2753BB
oklch(47.6% 0.171 263.8)
- #765700
#765700
oklch(47.6% 0.098 84.5)
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 #2753BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.045
- Majorelle Blue #3F37C9 ΔE 0.064
- Mid Blue #276AB3 ΔE 0.065
- Warm Blue #4B57DB ΔE 0.066
- Blue With A Hint Of Purple #533CC6 ΔE 0.070
- Sapphire #2138AB ΔE 0.071
- Dusk Blue #26538D ΔE 0.075
- Denim Blue #3B5B92 ΔE 0.075
Use #2753BB 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.