#2D55C3
Closest named color: Blue Blue (#2242C7). oklch(48.8% 0.178 265.2), rgb(45, 85, 195).
Aa
White text reads best on this color (6.56:1).
About this color
#2D55C3 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.178 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.047 away. White text reads best on it, at 6.56:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.19:1 |
| White text | 6.56:1 |
Values
| HEX | #2D55C3 |
| RGB | rgb(45, 85, 195) |
| HSL | hsl(224, 62%, 47%) |
| OKLCH | oklch(48.8% 0.178 265.2) |
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 #2D55C3 | 6.56:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #2D55C3 | 3.19:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #2D55C3 text on white | 6.56:1 | AA | Lc 82.0 | Fine for body text |
| #2D55C3 text on black | 3.19:1 | AA large text | Lc -19.9 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CAD9FA
oklch(88.5% 0.048 266)
-
Step 300
300
#A6C0F9
oklch(80.9% 0.086 265.5)
-
Step 400
400
#769DF6
oklch(70.6% 0.138 265.1)
-
Step 500
500
#5482F3
oklch(63.1% 0.177 265.1)
-
Step 600
600
#3B68E1
oklch(55.5% 0.191 265.2)
-
Step 700
700 (this color)
#2D55C3
oklch(48.8% 0.178 265.2)
-
Step 800
800
#26479E
oklch(42.7% 0.147 265)
-
Step 900
900
#233D7E
oklch(37.8% 0.115 265)
-
Step 950
950
#15244A
oklch(27% 0.073 265.6)
#2D55C3 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) | #0064C7 | 0.039 |
| Deuteranopia (no green cones) | #0057C1 | 0.023 |
| Tritanopia (no blue cones) | #007083 | 0.140 |
| Achromatopsia (no color) | #5D5D5D | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D55C3
#2D55C3
oklch(48.8% 0.178 265.2)
- #7A5A00
#7A5A00
oklch(48.8% 0.1 84.4)
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 #2D55C3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.047
- Warm Blue #4B57DB ΔE 0.052
- Mid Blue #276AB3 ΔE 0.063
- Majorelle Blue #3F37C9 ΔE 0.064
- Azul #1D5DEC ΔE 0.066
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
- Iris #6258C4 ΔE 0.068
- Royal Blue #4169E1 ΔE 0.072
Use #2D55C3 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.