#2753A5
Closest named color: Dusk Blue (#26538D). oklch(45.9% 0.141 261.5), rgb(39, 83, 165).
Aa
White text reads best on this color (7.32:1).
About this color
#2753A5 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.141 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.039 away. White text reads best on it, at 7.32:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.86:1 |
| White text | 7.32:1 |
Values
| HEX | #2753A5 |
| RGB | rgb(39, 83, 165) |
| HSL | hsl(219, 62%, 40%) |
| OKLCH | oklch(45.9% 0.141 261.5) |
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 #2753A5 | 7.32:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #2753A5 | 2.86:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #2753A5 text on white | 7.32:1 | AAA | Lc 85.0 | Fine for body text |
| #2753A5 text on black | 2.86:1 | Fails | Lc -17.0 | 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 800.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF8
oklch(88.5% 0.045 261.9)
-
Step 300
300
#A3C1F7
oklch(80.8% 0.084 262)
-
Step 400
400
#71A0F3
oklch(70.8% 0.132 261.2)
-
Step 500
500
#4C85EE
oklch(63% 0.169 261.4)
-
Step 600
600
#306CDD
oklch(55.6% 0.184 261.6)
-
Step 700
700
#2359BF
oklch(49% 0.17 261.6)
-
Step 800
800 (this color)
#2753A5
oklch(45.9% 0.141 261.5)
-
Step 900
900
#1E3F7B
oklch(37.8% 0.109 261.2)
-
Step 950
950
#122548
oklch(27% 0.07 261.5)
#2753A5 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) | #235CA8 | 0.024 |
| Deuteranopia (no green cones) | #0051A3 | 0.022 |
| Tritanopia (no blue cones) | #006774 | 0.112 |
| Achromatopsia (no color) | #565656 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2753A5
#2753A5
oklch(45.9% 0.141 261.5)
- #725100
#725100
oklch(45.8% 0.095 81.4)
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 #2753A5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.047
- Cobalt #1E488F ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.055
- Light Navy #155084 ΔE 0.057
- Blueberry #464196 ΔE 0.057
- Twilight #4E518B ΔE 0.060
- Dusky Blue #475F94 ΔE 0.061
Use #2753A5 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.