#2552CF
Closest named color: Blue Blue (#2242C7). oklch(49% 0.199 264.7), rgb(37, 82, 207).
Aa
White text reads best on this color (6.59:1).
About this color
#2552CF is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.199 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.039 away. White text reads best on it, at 6.59:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.199) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.18:1 |
| White text | 6.59:1 |
Values
| HEX | #2552CF |
| RGB | rgb(37, 82, 207) |
| HSL | hsl(224, 70%, 48%) |
| OKLCH | oklch(49% 0.199 264.7) |
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 #2552CF | 6.59:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #2552CF | 3.18:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #2552CF text on white | 6.59:1 | AA | Lc 81.9 | Fine for body text |
| #2552CF text on black | 3.18:1 | AA large text | Lc -20.0 | 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 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
#C8D9FE
oklch(88.5% 0.054 265.8)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#719DFF
oklch(70.8% 0.152 264.6)
-
Step 500
500
#4C80FF
oklch(63.2% 0.197 264.6)
-
Step 600
600
#3265EE
oklch(55.6% 0.214 264.7)
-
Step 700
700 (this color)
#2552CF
oklch(49% 0.199 264.7)
-
Step 800
800
#2044A8
oklch(42.7% 0.166 264.9)
-
Step 900
900
#1E3B85
oklch(37.7% 0.129 264.7)
-
Step 950
950
#12234E
oklch(26.9% 0.082 265.1)
#2552CF 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) | #0065D3 | 0.045 |
| Deuteranopia (no green cones) | #0055CD | 0.017 |
| Tritanopia (no blue cones) | #007288 | 0.154 |
| Achromatopsia (no color) | #5D5D5D | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2552CF
#2552CF
oklch(49% 0.199 264.7)
- #7B5B00
#7B5B00
oklch(49.1% 0.101 84.7)
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 #2552CF, closest first.
No curated palette has a color within ΔE 0.04 of #2552CF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.039
- Warm Blue #4B57DB ΔE 0.048
- Azul #1D5DEC ΔE 0.051
- Majorelle Blue #3F37C9 ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Neon Blue #4361EE ΔE 0.069
- Blurple #5539CC ΔE 0.070
- Royal Blue #4169E1 ΔE 0.071
Use #2552CF 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.