#2552C7
Closest named color: Blue Blue (#2242C7). oklch(48.3% 0.189 264.3), rgb(37, 82, 199).
Aa
White text reads best on this color (6.75:1).
About this color
#2552C7 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.189 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.037 away. White text reads best on it, at 6.75:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.189) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.11:1 |
| White text | 6.75:1 |
Values
| HEX | #2552C7 |
| RGB | rgb(37, 82, 199) |
| HSL | hsl(223, 69%, 46%) |
| OKLCH | oklch(48.3% 0.189 264.3) |
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 #2552C7 | 6.75:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #2552C7 | 3.11:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #2552C7 text on white | 6.75:1 | AA | Lc 82.6 | Fine for body text |
| #2552C7 text on black | 3.11:1 | AA large text | Lc -19.3 | 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
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8D9FC
oklch(88.4% 0.052 264.8)
-
Step 300
300
#A3C0FD
oklch(80.9% 0.092 264.7)
-
Step 400
400
#729DFB
oklch(70.6% 0.146 264.4)
-
Step 500
500
#4E81F9
oklch(63% 0.188 264.4)
-
Step 600
600
#3467E8
oklch(55.6% 0.203 264.4)
-
Step 700
700 (this color)
#2552C7
oklch(48.3% 0.189 264.3)
-
Step 800
800
#2146A3
oklch(42.7% 0.157 264.3)
-
Step 900
900
#1F3C81
oklch(37.6% 0.122 264.2)
-
Step 950
950
#13244C
oklch(27.1% 0.077 264.5)
#2552C7 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) | #0063CB | 0.042 |
| Deuteranopia (no green cones) | #0054C5 | 0.017 |
| Tritanopia (no blue cones) | #007084 | 0.147 |
| Achromatopsia (no color) | #5B5B5B | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2552C7
#2552C7
oklch(48.3% 0.189 264.3)
- #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 #2552C7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.037
- Warm Blue #4B57DB ΔE 0.054
- Majorelle Blue #3F37C9 ΔE 0.057
- Azul #1D5DEC ΔE 0.062
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
- Blurple #5539CC ΔE 0.071
- Mid Blue #276AB3 ΔE 0.074
- Sapphire #2138AB ΔE 0.077
Use #2552C7 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.